topic Re: How to block google talk (gtalk) both web based and software in Network Security https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436420#M671449 <HTML><HEAD></HEAD><BODY><P>Google talk uses TCP/5222 and TCP/443 to "talk.google.com".</P><P></P><P>You can just create ACL to block TCP/5222 and TCP/443 to and from "talk.google.com"</P></BODY></HTML> Mon, 10 May 2010 02:26:46 GMT Jennifer Halim 2010-05-10T02:26:46Z How to block google talk (gtalk) both web based and software based on cisco2911sec k9 https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436419#M671447 <P>I want to block gtalk on my new cisco 2911 security enabled router.</P><P></P><P>What is the procedure for the same</P><P></P><P>Thanks in advance!</P><P></P><P>Regards,</P><P>Pankaj Parmar</P> Mon, 11 Mar 2019 17:43:01 GMT https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436419#M671447 parmar.pankaj 2019-03-11T17:43:01Z Re: How to block google talk (gtalk) both web based and software https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436420#M671449 <HTML><HEAD></HEAD><BODY><P>Google talk uses TCP/5222 and TCP/443 to "talk.google.com".</P><P></P><P>You can just create ACL to block TCP/5222 and TCP/443 to and from "talk.google.com"</P></BODY></HTML> Mon, 10 May 2010 02:26:46 GMT https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436420#M671449 Jennifer Halim 2010-05-10T02:26:46Z Re: How to block google talk (gtalk) both web based and software https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436421#M671450 <HTML><HEAD></HEAD><BODY><P>It would be great if I get complete command to be run in to block gtalk.</P><P></P><P>Thanks!!!</P></BODY></HTML> Mon, 10 May 2010 17:50:45 GMT https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436421#M671450 parmar.pankaj 2010-05-10T17:50:45Z How to block google talk (gtalk) both web based and software bas https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436422#M671451 <HTML><HEAD></HEAD><BODY><P>I have also the same problem, I am using&nbsp; firmware </P><P>1.2.0.9</P><P></P><P>I was able to block a URL for a Specific IP, or IP range,</P><P>the problem was that it only worked on http (port 80), if the user change the site to https&nbsp; (port 443) it overide the rule and provides the access to the site (of course the site can be access by https also)</P></BODY></HTML> Thu, 18 Oct 2012 23:50:55 GMT https://community.cisco.com/t5/network-security/how-to-block-google-talk-gtalk-both-web-based-and-software-based/m-p/1436422#M671451 esagastume002 2012-10-18T23:50:55Z