Yeah, you are right. But I need to give internet service to clients for 30 minutes per session. Clients use DHCP, that is why I cannot do it with acl src. I need to filter with client's MAC address. But how to configure session ttl with mac adresses? -- View this message in context: http://squid-web-proxy-cache.1019090.n4.nabble.com/ip-hiding-in-squid-3-3-8-tp4663800p4663806.html Sent from the Squid - Users mailing list archive at Nabble.com.