Dear Squid Users, I just wanted to let you know I solved this... In case anyone else using latest stable fedora, gets crazy about this ... Looks like my version was either buggy or... in any case, the solution is to upgrade version of Squid. In latest fedora I did this: yum install fedora-release-rawhide yum-utils yum upgrade enablerepo=rawhide squid Done. version is now: Squid Cache: Version 3.4.3 ... and Works like a charm and as expected. Levente 2014.03.10. 14:36 keltezéssel, Peres Levente írta: > Dear Amos, > > Thank you for taking the time to reply. I'll try to reflect in-line... > > 2014.03.10. 14:12 keltezéssel, Amos Jeffries írta: >> redbot.org tools say: >> >> * Vary: Host is not necessary. >> * This response allows a cache to assign its own freshness lifetime. >> * A ranged request returned another representation. >> * An If-Modified-Since conditional request returned the full content >> unchanged. >> * The ETag doesn't change between negotiated representations. >> * Cache-Control: public is rarely necessary. >> * The If-Modified-Since response is missing required headers. >> * The ETag header's syntax isn't valid. > > Following your example, I went ahead and tested two pictures of note > from two sites. According to this direct test: > > http://redbot.org/?uri=http%3A%2F%2Fwww.moovie.cc%2Fimages%2Fmovies%2F17031%2Fposter.jpg > > General > > The server's clock is correct. > The Content-Length header is correct. > > Caching > > The resource last changed 70 days 20 hr ago. > This response allows all caches to store it. > This response is fresh until 62 days from now. > This response may still be served by a cache once it becomes stale. > Cache-Control: public is rarely necessary. > > Validation > > If-Modified-Since conditional requests are supported. > > Partial Content > > A ranged request returned another representation. > > ... only the last one seems too problematic (for me), since most of > these like the modification time are overridden (if im correct) by that > exaggerating refresh pattern i constructed. > > Looking at the other example: > > http://redbot.org/?uri=http%3A%2F%2Fwww.szerencsejatek.hu%2Fbanner%2Fsegelyvonal.jpg > > General > > The server's clock is correct. > The Content-Length header is correct. > > Caching > > The resource last changed 131 days 23 hr ago. > This response allows all caches to store it. > Vary: Host is not necessary. > This response allows a cache to assign its own freshness lifetime. > > Validation > > If-Modified-Since conditional requests are supported. > If-None-Match conditional requests are supported. > > Partial Content > > A ranged request returned the correct partial content. > > ... my not-too-keen eyes dont see much in common. So I'm still baffled. > >> Could be you have a version of Squid which had Vary caching bugs. Or >> one of the issues redbot points out. > > I'm not sure but... Here's all the version and info I can give off the > top of my head: > > #uname -a > Linux tradestation5.warbird 3.13.5-202.fc20.i686+PAE #1 SMP Mon Mar 3 > 19:26:26 UTC 2014 i686 i686 i386 GNU/Linux > > # squid -v > Squid Cache: Version 3.3.11 > configure options: '--build=i686-redhat-linux-gnu' > '--host=i686-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' > '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' > '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' > '--libdir=/usr/lib' '--libexecdir=/usr/libexec' > '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' > '--infodir=/usr/share/info' '--exec_prefix=/usr' > '--libexecdir=/usr/lib/squid' '--localstatedir=/var' > '--datadir=/usr/share/squid' '--sysconfdir=/etc/squid' > '--with-logdir=$(localstatedir)/log/squid' > '--with-pidfile=$(localstatedir)/run/squid.pid' > '--disable-dependency-tracking' '--enable-eui' > '--enable-follow-x-forwarded-for' '--enable-auth' > '--enable-auth-basic=DB,LDAP,MSNT,MSNT-multi-domain,NCSA,NIS,PAM,POP3,RADIUS,SASL,SMB,getpwnam' > '--enable-auth-ntlm=smb_lm,fake' > '--enable-auth-digest=file,LDAP,eDirectory' > '--enable-auth-negotiate=kerberos' > '--enable-external-acl-helpers=file_userip,LDAP_group,time_quota,session,unix_group,wbinfo_group' > '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' > '--enable-delay-pools' '--enable-epoll' '--enable-icap-client' > '--enable-ident-lookups' '--with-large-files' '--enable-linux-netfilter' > '--enable-removal-policies=heap,lru' '--enable-snmp' '--enable-ssl' > '--enable-ssl-crtd' '--enable-storeio=aufs,diskd,ufs' '--enable-wccpv2' > '--enable-esi' '--enable-ecap' '--with-aio' '--with-default-user=squid' > '--with-dl' '--with-openssl' '--with-pthreads' > 'build_alias=i686-redhat-linux-gnu' 'host_alias=i686-redhat-linux-gnu' > 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions > -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches > -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fpie' > 'LDFLAGS=-Wl,-z,relro -pie -Wl,-z,relro -Wl,-z,now' 'CXXFLAGS=-O2 -g > -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions > -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches > -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fpie' > 'PKG_CONFIG_PATH=%{_PKG_CONFIG_PATH}:/usr/lib/pkgconfig:/usr/share/pkgconfig' > > # yum info squid > Loaded plugins: langpacks, refresh-packagekit > Installed Packages > Name : squid > Arch : i686 > Epoch : 7 > Version : 3.3.11 > Release : 3.fc20 > Size : 8.7 M > Repo : installed > From repo : updates > Summary : The Squid proxy caching server > URL : http://www.squid-cache.org > License : GPLv2+ and (LGPLv2+ and MIT and BSD and Public Domain) > Description : Squid is a high-performance proxy caching server for Web > clients, > : supporting FTP, gopher, and HTTP data objects. Unlike > traditional > : caching software, Squid handles all requests in a single, > : non-blocking, I/O-driven process. Squid keeps meta data > and especially > : hot objects cached in RAM, caches DNS lookups, supports > non-blocking > : DNS lookups, and implements negative caching of failed > requests. > : > : Squid consists of a main server program squid, a Domain > Name System > : lookup program (dnsserver), a program for retrieving FTP data > : (ftpget), and some management and client tools. > > > Regards, > > Levente >
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