topic Re: Prot block 18264 and 264 in Firewall and Security Management https://community.checkpoint.com/t5/Firewall-and-Security-Management/Prot-block-18264-and-264/m-p/193264#M35906 <P>TCP 18264 is the Certificate Relocation List for the Internal Certificate Authority.<BR />Anything involving certificates (VPN, SIC) will fail since the remote end will be unable to validate certificates if this port is blocked.<BR />See also:&nbsp;<A href="https://support.checkpoint.com/results/sk/sk99076" target="_blank">https://support.checkpoint.com/results/sk/sk99076</A></P> <P>TCP 264 can generally be disabled safely as it is only used by legacy Remote Access clients.&nbsp;<BR />See:&nbsp;<A href="https://support.checkpoint.com/results/sk/sk132712" target="_blank">https://support.checkpoint.com/results/sk/sk132712</A></P> Thu, 21 Sep 2023 15:45:36 GMT PhoneBoy 2023-09-21T15:45:36Z Prot block 18264 and 264 https://community.checkpoint.com/t5/Firewall-and-Security-Management/Prot-block-18264-and-264/m-p/193211#M35887 <P>What happen if i block port 18264 and 264 in check point firewall ?</P> Thu, 21 Sep 2023 05:33:52 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Prot-block-18264-and-264/m-p/193211#M35887 mht1701 2023-09-21T05:33:52Z Re: Prot block 18264 and 264 https://community.checkpoint.com/t5/Firewall-and-Security-Management/Prot-block-18264-and-264/m-p/193264#M35906 <P>TCP 18264 is the Certificate Relocation List for the Internal Certificate Authority.<BR />Anything involving certificates (VPN, SIC) will fail since the remote end will be unable to validate certificates if this port is blocked.<BR />See also:&nbsp;<A href="https://support.checkpoint.com/results/sk/sk99076" target="_blank">https://support.checkpoint.com/results/sk/sk99076</A></P> <P>TCP 264 can generally be disabled safely as it is only used by legacy Remote Access clients.&nbsp;<BR />See:&nbsp;<A href="https://support.checkpoint.com/results/sk/sk132712" target="_blank">https://support.checkpoint.com/results/sk/sk132712</A></P> Thu, 21 Sep 2023 15:45:36 GMT https://community.checkpoint.com/t5/Firewall-and-Security-Management/Prot-block-18264-and-264/m-p/193264#M35906 PhoneBoy 2023-09-21T15:45:36Z