topic PIX Half open connections in Network Security https://community.cisco.com/t5/network-security/pix-half-open-connections/m-p/386310#M555986 <P>I have a 515 running 6.3(1) DMV 3.0(1)</P><P></P><P>Every once in awhile one of our subnets will not be able to access the web. We can ping and resolve DNS fine. However when you open a web browser it can't resolve the page. </P><P></P><P>This leads me to believe we may have Half open connections? Has anyone else run into this problem before? We only lose web browsing for maybe 10 mins each time.</P><P></P><P>Will upgrading the code help fix this? Do you know of a good white paper on PIX half open connections?</P><P></P><P>Thanks,</P><P>Dave</P> Fri, 21 Feb 2020 07:41:52 GMT peterson.dave 2020-02-21T07:41:52Z PIX Half open connections https://community.cisco.com/t5/network-security/pix-half-open-connections/m-p/386310#M555986 <P>I have a 515 running 6.3(1) DMV 3.0(1)</P><P></P><P>Every once in awhile one of our subnets will not be able to access the web. We can ping and resolve DNS fine. However when you open a web browser it can't resolve the page. </P><P></P><P>This leads me to believe we may have Half open connections? Has anyone else run into this problem before? We only lose web browsing for maybe 10 mins each time.</P><P></P><P>Will upgrading the code help fix this? Do you know of a good white paper on PIX half open connections?</P><P></P><P>Thanks,</P><P>Dave</P> Fri, 21 Feb 2020 07:41:52 GMT https://community.cisco.com/t5/network-security/pix-half-open-connections/m-p/386310#M555986 peterson.dave 2020-02-21T07:41:52Z Re: PIX Half open connections https://community.cisco.com/t5/network-security/pix-half-open-connections/m-p/386311#M555988 <HTML><HEAD></HEAD><BODY><P>Dave,</P><P></P><P>Have you take a look to the connections on the pix w the show conn command. Flags on the connection to the web server may indicated an error.</P><P></P><P>Please see flags significations on:</P><P><A class="jive-link-custom" href="http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/s.htm#wp1187542" target="_blank">http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_sw/v_63/cmdref/s.htm#wp1187542</A></P><P></P><P>Mike</P></BODY></HTML> Thu, 21 Oct 2004 14:31:12 GMT https://community.cisco.com/t5/network-security/pix-half-open-connections/m-p/386311#M555988 mpalardy 2004-10-21T14:31:12Z