topic ICMP proxy using PIX in Network Security https://community.cisco.com/t5/network-security/icmp-proxy-using-pix/m-p/383544#M556011 <P>Hi, </P><P></P><P>I need to know if it is possible to setup a PIX firewall to act like an ICMP proxy for all internal hosts. </P><P></P><P>ICMP request from Internet cloud should not reach the actual server. PIX firewall should send the ICMP reply to requesting host on the internet instead. -----ICMP proxy.</P><P></P><P></P><P>PIX should reply the ICMP request packets coming from IP cloud for the whole range of internal servers.</P><P></P><P>Please let me know if it is possible to set this up on PIX 6.3.3 or FWSM 2.x or even on Cisco IOS router. 12.2.x</P><P></P><P>Any links or tips are appreciated. </P><P></P><P>Thanks,</P><P>Shekar</P><P></P><P></P><P></P><P></P> Fri, 21 Feb 2020 07:41:44 GMT sreddy 2020-02-21T07:41:44Z ICMP proxy using PIX https://community.cisco.com/t5/network-security/icmp-proxy-using-pix/m-p/383544#M556011 <P>Hi, </P><P></P><P>I need to know if it is possible to setup a PIX firewall to act like an ICMP proxy for all internal hosts. </P><P></P><P>ICMP request from Internet cloud should not reach the actual server. PIX firewall should send the ICMP reply to requesting host on the internet instead. -----ICMP proxy.</P><P></P><P></P><P>PIX should reply the ICMP request packets coming from IP cloud for the whole range of internal servers.</P><P></P><P>Please let me know if it is possible to set this up on PIX 6.3.3 or FWSM 2.x or even on Cisco IOS router. 12.2.x</P><P></P><P>Any links or tips are appreciated. </P><P></P><P>Thanks,</P><P>Shekar</P><P></P><P></P><P></P><P></P> Fri, 21 Feb 2020 07:41:44 GMT https://community.cisco.com/t5/network-security/icmp-proxy-using-pix/m-p/383544#M556011 sreddy 2020-02-21T07:41:44Z Re: ICMP proxy using PIX https://community.cisco.com/t5/network-security/icmp-proxy-using-pix/m-p/383545#M556013 <HTML><HEAD></HEAD><BODY><P>A PIX cannot do this - it can filter, but not proxy icmp</P></BODY></HTML> Thu, 21 Oct 2004 12:53:56 GMT https://community.cisco.com/t5/network-security/icmp-proxy-using-pix/m-p/383545#M556013 mostiguy 2004-10-21T12:53:56Z