Re: [squid-users] logging ident while avoiding an ident lookup for each request

On Thu, May 22, 2008, Marc Haber wrote:
> On Thu, May 22, 2008 at 09:51:53PM +1200, Amos Jeffries wrote:
> > Ah, I thought it yes was 1 second or so, but a closer look at the
> > default show its 0 seconds unless set higher.
> > http://www.squid-cache.org/Versions/v3/3.0/cfgman/authenticate_ip_ttl.html
>
> I think that only holds if the max_user_ip ACL is used, which is not
> the case on my test system.
>
> > Yes the problem of multiple-users per IP is one to consider.
>
> Is there already an off-the shelf solution? Could squid send back an
> identification cookie to the client application and use that cookie to
> identify the user from then on, repeating the ident request like, once
> a minute?

uhm, the problem again is how to patch the client to identify itself
with this cookie.

The solution is negotiate, basic or ntlm authentication. They store an
auth cookie and send it along with requests. :)

Adrian

>
> > What you mean by the statistics? I expect it drops the counters of ident
> > requests relative to the counters of authenticated requests, and lowers
> > the overall request service times (part of the idea right? faster
> > response times with less network load).
>
> Yes, but it'll also account requests to the wrong user if the ident
> valud associate with any IP address is cached at all without
> additional measures as soon as multiple users issue http requests from
> the same IP address in the same second (which can easily be the case
> for a multi-user system).
>
> I must be missing something here.
>
> Greetings
> Marc
>
> P.S. This is my config file, just in case it helps - it's just the
> config file from Debian testing with minor changes to activate ident
> lookups
>
> http_port 3128
> hierarchy_stoplist cgi-bin ?
> acl QUERY urlpath_regex cgi-bin \?
> cache deny QUERY
> acl apache rep_header Server ^Apache
> broken_vary_encoding allow apache
> logformat squid %ts.%03tu %6tr %>a %ui %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt
> access_log /var/log/squid/access.log squid
> hosts_file /etc/hosts
> refresh_pattern ^ftp: 1440 20% 10080
> refresh_pattern ^gopher: 1440 0% 1440
> refresh_pattern . 0 20% 4320
> acl all src 0.0.0.0/0.0.0.0
> acl manager proto cache_object
> acl localhost src 127.0.0.1/255.255.255.255
> acl to_localhost dst 127.0.0.0/8
> acl SSL_ports port 443 # https
> acl SSL_ports port 563 # snews
> acl SSL_ports port 873 # rsync
> acl Safe_ports port 80 # http
> acl Safe_ports port 21 # ftp
> acl Safe_ports port 443 # https
> acl Safe_ports port 70 # gopher
> acl Safe_ports port 210 # wais
> acl Safe_ports port 1025-65535 # unregistered ports
> acl Safe_ports port 280 # http-mgmt
> acl Safe_ports port 488 # gss-http
> acl Safe_ports port 591 # filemaker
> acl Safe_ports port 777 # multiling http
> acl Safe_ports port 631 # cups
> acl Safe_ports port 873 # rsync
> acl Safe_ports port 901 # SWAT
> acl purge method PURGE
> acl CONNECT method CONNECT
> http_access allow manager localhost
> http_access deny manager
> http_access allow purge localhost
> http_access deny purge
> http_access deny !Safe_ports
> http_access deny CONNECT !SSL_ports
> http_access allow localhost
> acl vmware_network src 192.168.8.0/24
> http_access allow vmware_network
> http_access deny all
> http_reply_access allow all
> icp_access allow all
> ident_lookup_access allow vmware_network
> cache_effective_group proxy
> coredump_dir /var/spool/squid
>
>
> --
> -----------------------------------------------------------------------------
> Marc Haber | "I don't trust Computers. They | Mailadresse im Header
> Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834
> Nordisch by Nature | How to make an American Quilt | Fax: *49 3221 2323190

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