On 17/10/19 7:20 am, Alex Rousskov wrote: > On 10/16/19 1:12 PM, jl wrote: > >> It's possible to configure Squid to overwrite an URL containing an IP when >> it is requested with a custom Host header passed by the client when the Host >> header resolves to the IP in the URL? > > You can probably accomplish the above using a URL rewriting helper or an > adaptation service. Those things can receive requested headers, do DNS > lookups, and rewrite URLs as needed. > > If the IP and host values can be hard-coded into Squid configuration, > then it might be possible to accomplish what you want using Squid > configuration alone (e.g., via a dedicated cache_peer originserver > setting), but I am not sure. > > Alex. > > >> For example for this: >> curl -v -k -x IP:PORT http://34.201.191.134/headers -H "Host: httpbin.org" >> >> to return: >> >> "headers": { >> "Accept": "*/*", >> "Host": "httpbin.org", >> "User-Agent": "curl/7.58.0" >> } >> >> instead of: >> >> "headers": { >> "Accept": "*/*", >> "Host": "34.201.191.134", >> "If-Modified-Since": "Wed, 16 Oct 2019 16:08:42 GMT", >> "User-Agent": "curl/7.58.0" >> } Please be aware that a client sending that combination of absolute-URL and mismatching Host header is one of three things: 1) a malware attack 2) broken client software 3) a proxy attempting to avoid producing errors while still protecting against the above. eg interception proxy receiving suspected CVE-2009-0801 attack traffic. >> >> Or for this: >> curl -v -k -x IP:PORT http://192.121.151.106/doc/search/ -H "Host: >> erlang.org" >> >> to return "HTTP/1.1 200 OK" instead of "HTTP/1.1 404 Not Found" That one is not a good idea. The origin server is producing that 404, nothing to do with Squid. Amos _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users