topic Re: Blocking Skype in Network Security https://community.cisco.com/t5/network-security/blocking-skype/m-p/1128235#M893852 <HTML><HEAD></HEAD><BODY><P>Check this link:</P><P></P><P><A class="jive-link-custom" href="http://support.skype.com/index.php?_a=knowledgebase&amp;_j=questiondetails&amp;_i=148" target="_blank">http://support.skype.com/index.php?_a=knowledgebase&amp;_j=questiondetails&amp;_i=148</A></P><P></P><P>It is very diffcult to lock down by port as it uses a variety of TCP ports as well as 80 and 443 so I think what you could do is deny traffic from inside to the Network IP for skype.com and skype.net? </P><P></P><P>Are you are asking for the syntax to create the ACL?</P><P></P><P>HTH, please rate if useful</P><P></P></BODY></HTML> Fri, 07 Nov 2008 14:34:25 GMT SOL10 2008-11-07T14:34:25Z Blocking Skype https://community.cisco.com/t5/network-security/blocking-skype/m-p/1128234#M893846 <P>Hi,</P><P></P><P>Can anyone help me how to block the skype ports using the Cisco PIX515E (6.3 IOS)?</P><P></P><P>Thanks and Regards,</P><P></P><P>S.Venkataramna</P> Mon, 11 Mar 2019 14:09:48 GMT https://community.cisco.com/t5/network-security/blocking-skype/m-p/1128234#M893846 Lavanholy 2019-03-11T14:09:48Z Re: Blocking Skype https://community.cisco.com/t5/network-security/blocking-skype/m-p/1128235#M893852 <HTML><HEAD></HEAD><BODY><P>Check this link:</P><P></P><P><A class="jive-link-custom" href="http://support.skype.com/index.php?_a=knowledgebase&amp;_j=questiondetails&amp;_i=148" target="_blank">http://support.skype.com/index.php?_a=knowledgebase&amp;_j=questiondetails&amp;_i=148</A></P><P></P><P>It is very diffcult to lock down by port as it uses a variety of TCP ports as well as 80 and 443 so I think what you could do is deny traffic from inside to the Network IP for skype.com and skype.net? </P><P></P><P>Are you are asking for the syntax to create the ACL?</P><P></P><P>HTH, please rate if useful</P><P></P></BODY></HTML> Fri, 07 Nov 2008 14:34:25 GMT https://community.cisco.com/t5/network-security/blocking-skype/m-p/1128235#M893852 SOL10 2008-11-07T14:34:25Z