On mån, 2008-07-21 at 15:18 -0700, elsergio wrote: > I am trying to configure a reverse proxy. The idea is to have several web > servers in my network and also a DNS. The dns server will have the planning > logic for choosing the optimal web server. I want Squid to ask for the web > server ip address to this dns server. Then Squid will forward the request to > the given ip. > > It is possible to do this? If this is possible,. how can I do it? Yes, if you accept that peering with other Squids is not possible. http_port 80 accel vhost always_direct allow all acl my.servers dstdomain site1.domain site2.domain ... acl http proto http acl 80 port 80 http_access allow my.servers http 80 http_access deny all and make the DNS return a very very short TTL for sites where you do dynamic serverselection.. (if not squid will cache the DNS response for as long as it's valid). Byt personally I would let Squid do the server selection, with the seletion logics in squid.conf. http_port 80 accel vhost cache_peer ip.of.server1 parent 80 0 no-query originserver name=server1 acl server1_domains dstdomain site1.domain cache_peer_access allow server1 server1_domains cache_peer ip.of.server2 parent 80 0 no-query originserver name=server2 acl server2_domains dstdomain site2.domain cache_peer_access allow server2 server2_domains [etc] If you have multple servers for the same sites add multiple cache_peer lines, and a peer seletion algorithm such as round-robin, weighted-round-robin, sourcehash, userhash or carp. If there is very many domains hosted per server then use file based acls acl serverX_domains dstdomain "/path/to/server1_domains.txt" Regards Henrik
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