topic ASA 5505 static nat error message in Network Security https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347724#M344885 <P>i would like to port forward an port 4500 on the outside interface to inside host but it shows the error message below.</P><P></P><P>But if i add for port ftp and tftp without any problem.</P><P></P><P></P><P>[ERROR] nat (inside,outside) 6 source static aruba interface service Aruba-4500 Aruba-4500</P><P> NAT unable to reserve ports.</P> Tue, 12 Mar 2019 02:24:24 GMT CHUN FAI LAW 2019-03-12T02:24:24Z ASA 5505 static nat error message https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347724#M344885 <P>i would like to port forward an port 4500 on the outside interface to inside host but it shows the error message below.</P><P></P><P>But if i add for port ftp and tftp without any problem.</P><P></P><P></P><P>[ERROR] nat (inside,outside) 6 source static aruba interface service Aruba-4500 Aruba-4500</P><P> NAT unable to reserve ports.</P> Tue, 12 Mar 2019 02:24:24 GMT https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347724#M344885 CHUN FAI LAW 2019-03-12T02:24:24Z Re: ASA 5505 static nat error message https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347725#M344889 <HTML><HEAD></HEAD><BODY><P> Do you have remote access or site-site VPN also setup and enabled on the outside interface?</P><P></P><P>If so, port 4500 is used by IPsec so I suspect it is reserved in the appliance.</P></BODY></HTML> Mon, 12 Aug 2013 06:35:50 GMT https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347725#M344889 Marvin Rhoads 2013-08-12T06:35:50Z Re: ASA 5505 static nat error message https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347726#M344894 <HTML><HEAD></HEAD><BODY><P>yes, we have site to site vpn config on the asa!!</P><P></P><P>may be this is the reason we can't enable this port on outside interface!!</P></BODY></HTML> Mon, 12 Aug 2013 06:51:38 GMT https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347726#M344894 CHUN FAI LAW 2013-08-12T06:51:38Z Re: ASA 5505 static nat error message https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347727#M344898 <HTML><HEAD></HEAD><BODY><P>Yes. Enabling IPsec on the outside interface "siliently" reserved that port.</P></BODY></HTML> Mon, 12 Aug 2013 06:56:22 GMT https://community.cisco.com/t5/network-security/asa-5505-static-nat-error-message/m-p/2347727#M344898 Marvin Rhoads 2013-08-12T06:56:22Z