subscribe-to-alert-group inventory periodic monthly Thanking you sir. policy-map inside-policy object network https Click Apply. ftp mode passive IKEv2 Cisco ASA and strongSwan; Unit 6: SSL VPN. hash sha Please help. interface Management0/0 Yes you can have all routers connected to the same inside network as the ASA (10.10.0.x). no ip address Hi, I bought your books to setup my ASA-5505 for VPN access. Thank you for responding and the article is VERY helpful, forgive my ignorance but I would like to know how I would configure the translations for static ips from ISP-1 on ISP-2 interface. The syntax here is not as easy as Ciscos, however it is easier to see which interface you are editing. crypto ipsec ikev1 transform-set ESP-AES-192-SHA esp-aes-192 esp-sha-hmac This section provides guidance on configuring a few varieties of switches for http 192.168.1.96 255.255.255.0 outside The table explains each cryptographic algorithm that is available, the operations that each algorithm supports, and whether an algorithm is Cisco's best recommendation. AES was originally calledRijndaeland was created by two Belgian cryptographers. An algorithm that would be secure even after a QC is built is said to havepostquantum securityor bequantum computer resistant (QCR). Zone Based Firewall is the most advanced method of a stateful firewall that is available on Cisco IOS routers. (VTP). In subsequent posts, I'll try and look at some more advanced aspects. FortiGate models differ principally by the names used and the features available: Naming conventions may vary between FortiGate models. access-list acl_outside extended permit tcp any host X.X.X.213 eq https nat (inside) 0 access-list ACL_dmz outside The following sections discuss the NGE algorithms in more detail. access-group ACL_dmz_in in interface dmz Or is there some limitations? IKEv1/IKEv2 Between Cisco IOS and strongSwan Configuration Example; Configure a Site-to-Site IPSec IKEv1 Tunnel Between an ASA and a Cisco IOS Router; Revision History. Static (dmz,outside) tcp interface www 192.168.10.x www netmask 255.255.255.255 I do have ASA5525 Firewall with a version of 8.4 my Outside interface is connected to Edge External Switch and Inside Interface is connected to Internal Switch for my LAN network. timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 :). crypto ipsec security-association lifetime kilobytes 4608000 Type: ACCESS-LIST : Written by cisco at 10:08:15.679 UTC Fri Dec 16 2011 timeout sip-provisional-media 0:02:00 uauth 0:05:00 absolute dns-server value 192.168.44.1 ! Default PVID Configuration. The configuration is quite English | . Your email address will not be published. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Im offering you here a basic configuration tutorial for the Cisco ASA 5510 security appliance but the configuration applies also to the other ASA models as well (see also this Cisco ASA 5505 Basic Configuration). VLAN configuration to all switches on a VTP domain, though it also can create object network internal_lan Thanks for this. It worked once I configured it the way you had it in the book. object network web_dmz_inside Hashed Message Authentication Code (HMAC) is a construction that uses a secret key and a hash function to provide a message authentication code (MAC) for a message. must be configured as a trunk port, tagging all possible VLANs on the vlan internal allocation policy ascending Security Levels spanning-tree portfast Configuration guide: Cisco: ASA: 8.3 8.4+ (IKEv2*) Supported: Configuration guide* Cisco: ASR: PolicyBased: IOS 15.1 RouteBased: IOS 15.2: Supported: Supported: Cisco: CSR: Note that I am able to gain access thru the console to undo whatever changes I have made. I want to connect to an CISCO ASA 5510 3 different routers (also CISCO equipment). clock summer-time EDT recurring interface Vlan1 The only means of recovery on the GS108Tv2 is using the reset to factory interface Ethernet1.10 Which of these values you use is dependent First off Im enjoying your ebook. ASA5510(config-if)# nameif inside logging asdm informational Static (dmz,outside) tcp interface www 192.168.10.x www netmask 255.255.255.255 ip address 192.168.1.200 255.255.255.0 NGE offers the best technologies for future-proof cryptography and it is setting the industry trend. dhcpd dns 68.87.68.162 68.87.74.162 From my internal network i can able to access this public ip address of Ratitan but not from the outside. Sorry my bad English, I am using a translator. inspect ftp DH, DSA, and RSA can be used with a 3072-bit modulus to protect sensitive information. However, not all product versions support the preceding cipher suites. Subtype: the access list will be applied on the outside interface. ! If the changes are successful, you save them again with the same command as above. Categories of Cryptographic Algorithms (A citation of a particular interface object might take a number of forms. dynamic-access-policy-record DfltAccessPolicy Cisco distributed the protocol through the CCX (Cisco Certified Extensions) as part of getting 802.1X and dynamic WEP adoption into the industry in the absence of a standard. So far the ASA5510 is insisting that the two Cannot coexist on the same subnet. For instance, AES was named by the U.S. National Institute of Standards and Technology (NIST) but AES was not created by NIST. for encapsulation. We provide leading-edge network security at a fair price - regardless of organizational size or network sophistication. class-map type regex match-any DomainBlockList enable password hNoJA51JsYfVzHT6 encrypted src ip=10.10.10.1, mask=255.255.255.255, port=0 ASA Version 8.4(2) If you want to control traffic flow between the three outside networks, then you must connect each router into a different inside subnet (you should create different inside vlans on the ASA). Save my name, email, and website in this browser for the next time I comment. ref:figure-toggle-vlan-membership to toggle between the three VLAN options. In IPsec, a 24-hour lifetime is typical. ssh 192.168.1.96 255.255.255.0 outside subnet 192.168.44.0 255.255.255.0 In computing, Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. timeout floating-conn 0:00:00 I also tried adding same-security-traffic permit intra-interface but no success. VLANs. ip routing interface Ethernet0 policy-map type inspect dns preset_dns_map no asdm history enable access-list acl_outside permit tcp any interface outside eq https. access-list 101 extended permit icmp any any source-quench The use of good cryptography is more important now than ever before because of the very real threat of well-funded and knowledgeable attackers. There are some commands that if you execute the same command with different parameters then it overrides the existing one. no nameif ! spanning-tree extend system-id So based on what would the firewall accept the traffic? Im reposting just in case someone else had a similiar issue. inspect sqlnet spanning-tree mode pvst After this configuration, can we ping 100.100.100.2 from machine 192.168.10.0/24 PC. or the router? How do you show if a ASA 5510 will fail-close or fail-open? For a more complete practical guide about Cisco ASA Firewall configuration I suggest you to read the Cisco ASA Firewall Fundamentals 3rd Edition ebook at the link HERE. no threat-detection statistics tcp-intercept Since The heartbeat data needs to be of low latency and not a lot of packet loss due to a lot of traffic. subscribe-to-alert-group diagnostic inspect tftp A 30-minute lifetime improves the security of legacy algorithms and is recommended. ! nat (inside,outside) static interface service tcp smtp smtp security-level 100 Finally, lets create some zones and put them in them. Revision Publish Date Comments; 2.0. Additional Information: management menu. crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac It also enables DHCP server and HTTP server so that we can connect through ASDM. access-list inbound extended permit tcp any interface outside eq www ! The book is excellent and was a great help in configuring my ASA 5505 and 5510 but I did have a problem with the examples for site-to-site VPN and Remote Access VPN. Configuring Switches with VLANs. inspect netbios The idea behind ZBF is that we dont assign access-lists to interfaces but we will create different zones.Interfaces will be assigned to the different zones and security policies will be assigned to traffic between zones.To show you why ZBF is useful, let me show you a class-map HttpTraffic Also, i now understand the interface separation thing with the mgmt port. Your ISP must route this new block towards your ASA external IP. arp timeout 14400 MYFIREWALL(config)# icmp permit any inside Chris, yes of course. Both will have to translate standard tcp port from outside to custom tcp port inside-LAN. inspect ip-options If you have a PC connected to 192.168.80.x network and the inside interface of ASA is no shut then you should get ping replies if you ping the ASA IP. Remove old Rules/NAT trunk port. The web server can be accessed from the Internet by Internet hosts without problems. interface FastEthernet0/3 names i have configured Cisco 5500 Firewall configuration, i have given ip address and every thing but after reboot the firewall, this total configuration is deleted. nat (inside) 1 0.0.0.0 0.0.0.0 Thanks. At the inspect xdmcp Unlike an ASA, but more like a Juniper or CheckPoint device, changes need to be committed first, before they take effect. mtu inside 1500 Palo Alto devices are pretty cool in that we can create objects required for other tasks while we are completing the first task i.e. Then you can use normal static commands on the ASA to assign the new IP addresses to internal hosts. To configure the switch to use 802.1Q VLAN trunking: Navigate to the System menu on the left side of the page. HMAC-SHA-1 is also acceptable. ; Certain features are not available on all models. If its version 8.3 and up the config is different. I will be using the GUI and the CLI for each example (at least thats the plan). inspect http Http_inspection_policy, show running-config service-policy This is normal with Cisco configurations. class HttpTraffic object network imap You state that this requires a Security Plus license. shown in Figure Default 802.1Q Configuration. Recommendations for Cryptographic Algorithms, Cryptographic Algorithm Configuration Guidelines, IPsec VPN with Encapsulating Security Payload, Internet Key Exchange in VPN Technologies, Transport Layer Security and Cipher Suites, Appendix A: Minimum Cryptography Recommendations, http://csrc.nist.gov/publications/PubsSPs.html, http://csrc.nist.gov/publications/nistpubs/800-131A/sp800-131A.pdf, http://www.iana.org/assignments/tls-parameters/tls-parameters.xml, http://www.iana.org/assignments/ipsec-registry. ! An in depth discussion of switch security is outside dhcpd enable inside ! in Table Netgear GS108T VLAN Configuration. switchport mode dynamic desirable hey guys, i hope you will assist me and i am very desparate and i need your help urgently. http server was already enabled (used with the default ip), however, the 192.168.11.0 was not associated to the management interface. ip address 173.14.214.114 255.255.255.248 pager lines 24 Your use of the information in the document or materials linked from the document is at your own risk. access-list 101 extended permit icmp any any echo names Thanks. Please advise. username cisco password 3USUcOPFUiMCO4Jk encrypted privilege 15 There are four groups of cryptographic algorithms. Load depends on platform limitations. Hello, I was looking around for a while searching for operational security training and I happened upon this site and your post regarding Configure a Cisco ASA 5510 Firewall Basic Configuration Tutorial | CiscoTips, I will definitely this to my operational security training bookmarks! interface Ethernet0/0 match regex domainlist51 not allow the encapsulation dot1q configuration option, it only supports Then you can make changes on the running configuration which are applied immediately. The following table can help customers migrate from legacy ciphers to current or more secure ciphers. access-list global_access extended permit ip any any static (Inside,Outside) 100.100.100.186 192.168.20.8 netmask 255.255.255.255 The change may not appear immediately,so clickon the refresh icon at thetop right-hand side: Notice that neither method required us to create a zone or virtual router, so lets do that now. button in the upper right corner so it can be improved. ! ip directed-broadcast inspect skinny threat-detection statistics access-list The status labels are explained following the table. Opps! Then you replace the interface command with the actual public address: static (dmz,outside) tcp 100.100.100.1 www 192.168.10.6 www netmask 255.255.255.255. ip http server crypto ipsec ikev1 transform-set ESP-AES-192-MD5 esp-aes-192 esp-md5-hmac Alternatively, we recommend HMAC-SHA-256. inspect sunrpc So you say that I can not access the web server in the DMZ from inside using the URL but only using the DMZ IP address of the host (172.16.1.X). address-pool pool-support-vpn There is no native support for How To Configure AnyConnect SSL VPN on Cisco ASA 5500, Configuring site-to-site IPSEC VPN on ASA using IKEv2. dst mac=0000.0000.0000, mask=0000.0000.0000, Phase: 2 policy-map global_policy speed 100 I guess all I would have to do is configure default gateway (my router) on the firewall. logging enable In computing, Internet Protocol Security (IPsec) is a secure network protocol suite that authenticates and encrypts packets of data to provide secure encrypted communication between two computers over an Internet Protocol network. then exit GNS. reset log you also need to apply the inbound ACL to the outside interface: access-group inbound in interface outside. in addition to the static nat, you will also configure access-list rules to control what traffic will be allowed from internet to the public IP. Legacy algorithms provide a marginal but acceptable security level. encryption aes-192 For an encryption system to have a useful shelf life and securely interoperate with other devices throughout its life span, the system should provide security for 10 or more years into the future. DMZ has 172.16.1.X, inside has 192.168.1.X and outside 94.255.161.102. hash sha crypto ikev1 policy 120 Im in the process of implementing Active/Standby redundancy on my ASA5510 firewall. ! user-identity default-domain LOCAL ERROR: entry for address/mask = 0.0.0.0/0.0.0.0 exists. Now, unless I am doing something really stupid, I will keep it like this. Using VTP may be more convenient, as it will automatically propagate the inspect ils security-level 0 host 192.168.1.197, access-list internet_access_in extended permit icmp any any Result: ALLOW Lets say the interface to the second ISP is named outside2: you will have another public IP address from that ISP, lets say 200.200.200.1 assigned for your mail server: static (Inside,outside2) 200.200.200.1 192.168.20.8 netmask 255.255.255.255, Awesome! Is there a way to allow clients on the Inside interface (192.168.2.0/24) to use the DNS available on the Outside interface (192.168.1.0/24)? inspect sip logging timestamp Now, with port redirection you redirect only HTTP/HTTPs traffic. PVID Setting. default-domain value bhls.com On the DMZ, I was thinking of putting up a web/ftp server. The two servers must will be represented by virtual IP address (VIP) so the PIX will know one IP to reach the server cluster. Cryptographic algorithms, in general, are divided into the following categories: The following section presents the recommended algorithms and key sizes for each category. Figure VLAN 10 and 20 PVID Configuration shows the PVID configuration management-only authentication rsa-sig crypto ikev1 policy 80 lifetime 86400 Step 7. inspect dns preset_dns_map The second one (security plus) provides some performance and hardware enhancements over the base license, such as 130,000 Maximum firewall connections (instead of 50,000), 100 Maximum VLANs (instead of 50), Failover Redundancy, etc. encryption aes ! Most objects can be configured with up to three different rates for different intervals. different logo. FW01(config)# regex domainlist50 \.gotomeeting\.com ! Additional Information: I assume it is a private IP and then you do a NAT translation on the ASA to translate the dmz IP to a public one. You will need also to configure an access list which should be allowing traffic from outside to 100.100.100.6 on port 80. threat-detection basic-threat tunnel-group tg-vpn-support general-attributes Forward Flow based lookup yields rule: crypto dynamic-map SYSTEM_DEFAULT_CRYPTO_MAP 65535 set pfs crypto ipsec security-association lifetime seconds 28800 Current configuration : 2518 bytes ==========. As for the Step 6, I have an internal DNS to resolve internal addresses and DHCP assigning addresses internally. dynamic-access-policy-record DfltAccessPolicy hash sha no snmp-server contact You need to access the private IP. in 10.10.10.0 255.255.255.0 inside, Phase: 4 no nameif asdm image flash:/asdm-603.bin The access ports on crypto ikev1 policy 40 Cryptography is by no means static. mtu dmz 1500 This can be done like so: On some newer Cisco IOS switches, the Cisco-proprietary ISL VLAN Hi, Congratulations to the site owner for this marvelous work youve done. access-list External_access_in extended permit icmp any any echo-reply Problem resolved. Introduction encryption aes-256 authentication pre-share http server enable dhcpd domain aejg.net port. Type: ACCESS-LIST Copyright 2022 | Privacy Policy | Terms and Conditions | Hire Me | Contact | Amazon Disclaimer | Delivery Policy. names ! screen will look like Figure Remove VLAN 1 Membership. no threat-detection statistics tcp-intercept If your network is live, ensure that you understand the potential impact of any command. Hello Arif, SENSS is all about security on switches, routers and the ASA. host The biggest threat to crypto nowadays is another high-impact implementation issue, not a QC. When you enter the access-list and nat commands as shown it wipes out any others that you have already you entered. object network 81 dst ip=0.0.0.0, mask=0.0.0.0, port=0, dscp=0x0, Result: ! SHA-1 is a legacy algorithm and thus is NOT adequately secure. thanks, Password: Anyway, we can see from the GUI that change has taken effect (Network > Interfaces > Ethernet): Double-clicking on any interface will bring up its settings. group 2 ASA Version 8.3(1) ', but you can (and should) use something more complex. nat (inside,outside) dynamic interface, Step 5: Configure Default Route towards the ISP (assume default gateway is 100.100.100.2), ASA5510(config)# route outside 0.0.0.0 0.0.0.0 100.100.100.2 1, Step 6: Configure the firewall to assign internal IP and DNS address to hosts using DHCP, ASA5510(config)# dhcpd dns 200.200.200.10 06-Oct-2022. destination address email [emailprotected] How can I do this? 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If the cable box is 100Mbps full duplex, then make the ASA interface the same: hostname(config)# interface Ethernet0/1 mtu outside 1500 crypto ikev1 policy 60 nameif outside hash sha Set up your own IPsec VPN server in just a few minutes, with IPsec/L2TP, Cisco IPsec and IKEv2. Also, the internal LAN network belongs to subnet 192.168.10.0/24. object network http threat-detection basic-threat If the public IP resides on the WAN interface of router, you can configure static NAT on the router and send all traffic to the outside interface of the ASA. to other switches containing multiple VLANs. Thank you for the prompt reply, the ASA 5510 is running version 8.2, I have following config for http; So, yes if you have the proper nat in place between DMZ and inside (provided that nat-control is enabled) then you just need to apply the correct access list on the DMZ interface to allow web server to communicate with the internal SQL server. The Remote ID of the remote peer. Move over to the column for the VLAN to which this port will be You need to create an access control list as following: access-list OUT extended permit icmp any any echo-reply hash sha class-map inspection_default policy-map type inspect dns preset_dns_map no nameif Ofcourse I try to use a 10/100/1000 Mbps interface so that to utilize the gigabit speed. object network smtp Note. You need to allow icmp echo-reply packets on the outside interface in order to be able to ping external hosts: I am extremly sorry, still I am not able to ping. Head to the Device tab and click on Management, then click on the gear icon to open up the dialog box and set the hostname. This document presents algorithms that are considered secure at present, the status of algorithms that are no longer considered secure, the key sizes that provide adequate security levels, and next generation cryptographic algorithms. My question is, i do have another device which Ratitan. I can ping my L3 switch vlan IP but not my internal client IP. Cisco is committed to providing the best cryptographic standards to our customers. Click OK to confirm the switch to 802.1Q trunking, as shown in Figure search for ccie security rank rentals on Google. You should assign an IP address to the outside interface (eth0 port) of the ASA in the range 192.168.1.1 192.168.1.253. ip subnet-zero The scenario you mention above requires Security Plus license because there is communication between the DMZ and Internal network. 802.1Q capable switches, then goes on to cover configuration on specific This document focuses mostly on IKEv1 and crypto map configuration, however most aspects are true for other types of frameworks. nameif inside I thought about modifying the local host file on my inside clients but as last resource. access-list External_access_in extended permit tcp any interface outside eq pop3 ASA5510(config-if)# ip address 192.168.10.1 255.255.255.0 All of the devices used in this document started with a cleared (default) configuration. must be added before they can be configured on any ports. service-policy inside-policy interface inside. PIX Version 8.0(4)28 interface Ethernet0/5 I am also using an sql server that is on the Inside interface and the web server needs to connect to it via port 1433 for which I used; switch configuration menu: Repeat the steps from Add to Save for any remaining VLANs. timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 icmp 0:00:02 %ASA-4-412001: MAC MAC_address moved from interface_1 to interface_2 The configuration of the Azure portal can also be performed by PowerShell or API. security-level 0 Can anyone please help what went wrong in this config, webserver is accessible from outside but not from inside using FDQn, i can only access the webserver from inside using internal ip address but not with the public address. This page was last updated on Jul 01 2022. icmp unreachable rate-limit 1 burst-size 1 ! When a VLAN is selected from the VLAN Management drop down, it shows how nameif outside ! Rene, security-level 0 How will i go about placing a web server in dmz and making it accessible via public ip? They should be used only when no better alternatives are available, such as when interoperating with legacy equipment. Project-based consulting Our experts help you plan, design, and implement new project-based technology transformations. To allow communication between any two ASA interfaces (security zones) you need two things: 1) proper NAT 2)proper access lists. hash sha Also I didnt understand the exact problem here. class-map Netflow_class Is this secure?? For Cisco ASA 5500 Series models, administrators are strongly advised to enable hardware processing instead of software processing for large modulus operations, such as 3072-bit certificates. Customers should pay particular attention to algorithms designated asAvoidorLegacy. object network obj_any You can NOT access the translated public IP of the web server from inside of the ASA. Over the years he has acquired several professional certifications such as CCNA, CCNP, CEH, ECSA etc. For the Cisco ASA 5540 and ASA 5550 using SSL VPN, administrators may want to continue to use software processing for large keys in specific load conditions. lifetime 86400 route outside 0.0.0.0 0.0.0.0 173.x.x.x 1 no failover arp timeout 14400 Next generation encryption (NGE):NGE algorithms are expected to meet the security and scalability requirements of the next two decades. : policy-map type inspect http Http_inspection_policy host 192.168.1.199 ipsec.conf ipsec.conf ipsec.secrets ipsec.secrets. Recommended Minimum Security Algorithms. Config: http 0.0.0.0 0.0.0.0 inside I feel Im missing something simple. On Netgear switches, in addition to the previously configured tagging settings, nat (inside,outside) static interface service tcp 3389 3389 Information below, MYFIREWALL# sh run Would I have to do anything different from your example or just leave out the dmz settings? Let me know the version to help you. This designation means that 3DES provides a marginal but acceptable security level, but its keys should be renewed relatively often. no service pad Just try it and let us know how it goes. Subtype: that have serial consoles, keep a null modem cable handy in case network mtu dmz 1500 crypto ipsec ikev1 transform-set ESP-AES-128-SHA esp-aes esp-sha-hmac nat (inside,outside) static interface service tcp 82 82 Please suggest. I have tried using regex however whenever I apply the policy it somehow blocks a lot of http and IM (instant Messaging) traffic: FW01(config)#show running-config regex Dear Friends, hash sha They are irreversible functions that provide a fixed-size hash based on various inputs. What I tried is DNS doctoring. Im glad it worked. With the solution given on comment #66 I can reach the web server in the DMZ from inside using the URL only, not via real IP (web server IP in the DMZ). timeout sip 0:30:00 sip_media 0:02:00 sip-invite 0:03:00 sip-disconnect 0:02:00 timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 mtu inside 1500 Log into the web interface of the switch to start. webvpn Legacy:Legacy algorithms provide a marginal but acceptable security level. needed. ! nat (inside) 0 access-list inside_nat0_outbound_1 Additionally, ECDSA and ECDH have had fundamental contributions by cryptographers from around the world, including Japan, Canada, and the United States. IPsec VPN Server Auto Setup Scripts. Cisco reserves the right to change or update this document without notice at any time. timeout sunrpc 0:10:00 h323 0:05:00 h225 1:00:00 mgcp 0:05:00 mgcp-pat 0:05:00 Regarding the scenario with the Thomson ADSL router, if I understand it correctly, the default route for the ASA will be 192.168.1.254. Please help! I got a fresh ASA 5540. Can I use the same interface to route traffic destined to other global IPs, say x.x.x.90 255.255.255.248 for web that I will place in DMZ etc without having to define them anywhere? lifetime 86400 shutdown ! AES with 128-bit keys provides adequate protection for sensitive information. Clientless SSL Virtual Private Network (WebVPN) allows for limited, but valuable, secure access to the corporate network from any Short key lifetime:Use of a short key lifetime improves the security of legacy ciphers that are used on high-speed connections. ftp mode passive Any help will be greatly appreciated. This access list must be applied on the outside interface. The following example shows a Cisco IOS Software IKE configuration that uses 128-bit AES for encryption, pre-shared key authentication, and 256-bit ECDH (Group 19): The following example shows a Cisco IOS Software IKEv2 proposal configuration that uses 256-bit CBC-mode AES for encryption, SHA-256 for the hash, and 3072-bit DH (Group 15): Not all product versions support SHA-256 or IKE Group 14, 19, 20, or 24. 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