Please disregard my question as the "culprit" was the sophos endpoint agent. In case someone faces the same problem, please see this: https://community.sophos.com/kb/en-us/26095 Sophos Enterprise Console: How to authorize a blocked application Thanks and good night. --------------------- Erick Perez --------------------- On Thu, Jul 4, 2019 at 8:23 PM Erick Perez - Quadrian Enterprises <eperez@xxxxxxxxxxxxxxx> wrote: > > Hi, > I am using Squid version 3.1.23 > And I wonder if anyone has come with problems trying to use microsoft > yammer (www.yammer.com). > > Apart from allowing the usual domains, are there any special > configurations such as ssl_bump or something? Perhaps on the > browser-side? > > Funny thing is that on access.log I see no attempt of accesing the > site. It seems the GET request never "leaves" the firefox/chrome/IE > browser on the cliet computer. > > Comments are welcomed. > > compiled with: > Squid Cache: Version 3.1.23 > configure options: '--build=x86_64-redhat-linux-gnu' > '--host=x86_64-redhat-linux-gnu' '--target=x86_64-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/lib64' '--libexecdir=/usr/libexec' > '--sharedstatedir=/var/lib' '--mandir=/usr/share/man' > '--infodir=/usr/share/info' '--enable-internal-dns' > '--disable-strict-error-checking' '--exec_prefix=/usr' > '--libexecdir=/usr/lib64/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-arp-acl' > '--enable-follow-x-forwarded-for' > '--enable-auth=basic,digest,ntlm,negotiate' > '--enable-basic-auth-helpers=LDAP,MSNT,NCSA,PAM,SMB,YP,getpwnam,multi-domain-NTLM,SASL,DB,POP3,squid_radius_auth' > '--enable-ntlm-auth-helpers=smb_lm,no_check,fakeauth' > '--enable-digest-auth-helpers=password,ldap,eDirectory' > '--enable-negotiate-auth-helpers=squid_kerb_auth' > '--enable-external-acl-helpers=ip_user,ldap_group,session,unix_group,wbinfo_group' > '--enable-cache-digests' '--enable-cachemgr-hostname=localhost' > '--enable-delay-pools' '--enable-epoll' '--enable-icap-client' > '--enable-ident-lookups' '--enable-linux-netfilter' > '--enable-referer-log' '--enable-removal-policies=heap,lru' > '--enable-snmp' '--enable-ssl' '--enable-storeio=aufs,diskd,ufs' > '--enable-useragent-log' '--enable-wccpv2' '--enable-esi' > '--enable-http-violations' '--with-aio' '--with-default-user=squid' > '--with-filedescriptors=16384' '--with-dl' '--with-openssl' > '--with-pthreads' 'build_alias=x86_64-redhat-linux-gnu' > 'host_alias=x86_64-redhat-linux-gnu' > 'target_alias=x86_64-redhat-linux-gnu' 'CFLAGS=-O2 -g -pipe -Wall > -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector > --param=ssp-buffer-size=4 -m64 -mtune=generic -fpie' 'LDFLAGS=-pie' > 'CXXFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions > -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -fpie' > --with-squid=/builddir/build/BUILD/squid-3.1.23 > > > thanks, > > --------------------- > Erick Perez > --------------------- _______________________________________________ squid-users mailing list squid-users@xxxxxxxxxxxxxxxxxxxxx http://lists.squid-cache.org/listinfo/squid-users