topic my router blocking msn messenger on the router 851 firewall in Network Security https://community.cisco.com/t5/network-security/my-router-blocking-msn-messenger-on-the-router-851-firewall/m-p/1027270#M917130 <P>my router blocking msn on the router 851 firewall </P><P>maybe i forgot something on the config </P><P>what do you thing</P><P></P><P> </P><P></P> Mon, 11 Mar 2019 13:10:59 GMT dcoulanges 2019-03-11T13:10:59Z my router blocking msn messenger on the router 851 firewall https://community.cisco.com/t5/network-security/my-router-blocking-msn-messenger-on-the-router-851-firewall/m-p/1027270#M917130 <P>my router blocking msn on the router 851 firewall </P><P>maybe i forgot something on the config </P><P>what do you thing</P><P></P><P> </P><P></P> Mon, 11 Mar 2019 13:10:59 GMT https://community.cisco.com/t5/network-security/my-router-blocking-msn-messenger-on-the-router-851-firewall/m-p/1027270#M917130 dcoulanges 2019-03-11T13:10:59Z Re: my router blocking msn messenger on the router 851 firewall https://community.cisco.com/t5/network-security/my-router-blocking-msn-messenger-on-the-router-851-firewall/m-p/1027271#M917131 <HTML><HEAD></HEAD><BODY><P>Hi,</P><P></P><P>I believe this is the reason:</P><P></P><P> application http</P><P> port-misuse im action reset alarm</P><P></P><P>Try to have MSN use the default port ( and not 80 for the traffic).</P><P></P><P></P><P>You should also permit inbound TCP port 1863 in access-list 104.</P><P></P><P>Please rate if this helped.</P><P></P><P>Regards,</P><P>Daniel</P></BODY></HTML> Wed, 09 Jul 2008 11:05:39 GMT https://community.cisco.com/t5/network-security/my-router-blocking-msn-messenger-on-the-router-851-firewall/m-p/1027271#M917131 5220 2008-07-09T11:05:39Z