Hi Amos,
Thanks for the configuration I managed to access http and https
(mail.airarabia.ae)
webmail.airarabia.ae is discarded.
now one more issue
Any external sites http I can access but not https
example https://gmail.com not accessable
access.log file I get
=======================================
1242580515.608 0 10.200.2.172 TCP_DENIED/400 1570 CONNECT :0 -
NONE/- text/html
1242580517.224 0 10.200.2.172 TCP_DENIED/400 1570 CONNECT :0 -
NONE/- text/html
1242580536.539 0 10.200.2.172 TCP_DENIED/400 1570 CONNECT :0 -
NONE/- text/html
1242580538.999 0 10.200.2.172 TCP_DENIED/400 1570 CONNECT :0 -
NONE/- text/html
browser I get
==================================
While trying to process the request:
CONNECT www.google.com:443 HTTP/1.0
User-Agent: Opera/9.64 (X11; Linux i686; U; en) Presto/2.1.1
Host: www.google.com:443
The following error was encountered:
Invalid Request
Some aspect of the HTTP Request is invalid. Possible problems:
Missing or unknown request method
Missing URL
Missing HTTP Identifier (HTTP/1.0)
Request is too large
Content-Length missing for POST or PUT requests
Illegal character in hostname; underscores are not allowed
My squid.conf is as below
========================================
acl all src all
acl manager proto cache_object
acl localhost src 127.0.0.1/32
acl to_localhost dst 127.0.0.0/8
acl SSL_ports port 443
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 CONNECT method CONNECT
acl localnet src 10.200.2.0/24
acl snmppublic snmp_community public
acl OWA dstdomain mail.airarabia.ae
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access allow OWA all
http_access deny CONNECT !SSL_ports
http_access allow localnet
http_access allow localhost
http_access deny all
icp_access allow localnet
icp_access deny all
reply_body_max_size 52428800 allow all
follow_x_forwarded_for allow localnet
follow_x_forwarded_for allow localhost
follow_x_forwarded_for deny all
acl_uses_indirect_client on
delay_pool_uses_indirect_client on
log_uses_indirect_client on
ssl_unclean_shutdown on
http_port 10.200.22.49:80 accel defaultsite=mail.airarabia.ae vhost
https_port 10.200.22.49:443 accel cert=/etc/squid/keys/proxycert.pem
key=/etc/squid/keys/proxykey.pem defaultsite=mail.airarabia.ae
cache_peer 10.200.22.12 parent 80 0 no-query originserver login=PASS
front-end-https=on login=PASS name=owaServer
cache_peer proxy1.emirates.net.ae parent 8080 0 no-query default
cache_peer_access owaServer allow OWA
cache_peer_access proxy1.emirates.net.ae allow !OWA
hierarchy_stoplist cgi-bin ?
cache_mem 600 MB
maximum_object_size_in_memory 20 KB
memory_replacement_policy heap GDSF
cache_replacement_policy heap GDSF
cache_dir aufs /cache 29000 16 256
store_dir_select_algorithm least-load
max_open_disk_fds 0
minimum_object_size 0 KB
maximum_object_size 1096 MB
cache_swap_low 90
cache_swap_high 95
logformat squid %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %
mt
logformat mysql_columns %ts.%03tu %6tr %>a %Ss %03Hs %<st %rm %ru %un %
Sh %<A %mt
access_log /var/log/squid/access.log squid
access_log daemon:/usr/lib64/squid/db.cf mysql_columns
logfile_daemon /usr/lib64/squid/logmysqldb_daemon
cache_log /var/log/squid/cache.log
cache_store_log /var/log/squid/store.log
logfile_rotate 30
emulate_httpd_log on
log_ip_on_direct on
mime_table /etc/squid/mime.conf
log_mime_hdrs on
useragent_log /var/log/squid/useragent.lo
referer_log /var/log/squid/referer.log
pid_filename /var/run/squid.pid
debug_options ALL,1
log_fqdn off
strip_query_terms on
buffered_logs off
netdb_filename /var/log/squid/netdb.state
ftp_list_width 64
ftp_passive on
ftp_sanitycheck on
ftp_telnet_protocol on
diskd_program /usr/lib64/squid/diskd-daemon
unlinkd_program /usr/lib64/squid/unlinkd
pinger_program /usr/lib64/squid/pinger
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern . 0 20% 4320
read_ahead_gap 16 KB
negative_ttl 2 minutes
positive_dns_ttl 9 hours
negative_dns_ttl 1 minute
minimum_expiry_time 30 seconds
store_objects_per_bucket 15
request_header_max_size 20 KB
reply_header_max_size 25 KB
request_body_max_size 50 MB
acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9]
upgrade_http0.9 deny shoutcast
cache_vary on
acl apache rep_header Server ^Apache
broken_vary_encoding allow apache
collapsed_forwarding off
extension_methods RPC_IN_DATA RPC_OUT_DATA
shutdown_lifetime 30 seconds
cache_mgr Rusol <rskender_at_airarabia.com>
mail_from Rusol <rskender_at_airarabia.com>
mail_program mail
cache_effective_user squid
cache_effective_group squid
httpd_suppress_version_string on
visible_hostname vsquid-01-shj
umask 027
snmp_port 3401
snmp_access allow snmppublic localhost
snmp_access deny all
icon_directory /usr/share/squid/icons
global_internal_static on
short_icon_urls on
nonhierarchical_direct on
prefer_direct off
never_direct allow OWA
max_filedescriptors 0
check_hostnames off
allow_underscore on
dns_timeout 2 minutes
hosts_file /etc/hosts
ignore_unknown_nameservers on
ipcache_size 2048
ipcache_low 90
ipcache_high 95
fqdncache_size 1024
forwarded_for on
cachemgr_passwd disable all
client_db off
uri_whitespace strip
coredump_dir /var/spool/squid
windows_ipaddrchangemonitor off
Thanks for the help
//Remy
On Mon, 2009-05-18 at 00:57 +1200, Amos Jeffries wrote:
> Mario Remy Almeida wrote:
> > My squid.conf
> >
> > acl all src all
> > acl manager proto cache_object
> > acl localhost src 127.0.0.1/32
> > acl to_localhost dst 127.0.0.0/8
> > acl SSL_ports port 443
> > 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 CONNECT method CONNECT
> > acl localnet src 10.200.2.0/24
> > acl OWA dstdomain webmail.airarabia.ae
> > http_access allow manager localhost
> > http_access deny manager
> > http_access deny !Safe_ports
> > http_access deny CONNECT !SSL_ports
> > http_access allow OWA all
> > http_access allow localnet
> > http_access allow localnet
> > http_access allow localhost
> > http_access deny all
> > icp_access allow localnet
> > icp_access deny all
> > miss_access allow OWA
> > miss_access deny all
> > http_port 10.200.22.49:80 defaultsite=webmail.airarabia.ae
> > https_port 10.200.22.49:443 defaultsite=webmail.airarabia.ae
> > cert=/etc/squid/keys/proxycert.pem key=/etc/squid/keys/proxykey.pem
> > cache_peer 10.200.22.12 parent 80 0 no-query originserver login=PASS
> > front-end-https=on login=PASS name=owaServer
> > cache_peer proxy1.emirates.net.ae parent 8080 0 no-query default
> > cache_peer_access owaServer allow OWA
> > hierarchy_stoplist cgi-bin ?
> > cache_dir aufs /cache 29000 16 256
> > logformat squid %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru %un %Sh/%<A %mt
> > logformat mysql_columns %ts.%03tu %6tr %>a %Ss %03Hs %<st %rm %ru %un
> > %Sh %<A %mt
> > access_log /var/log/squid/access.log squid
> > access_log daemon:/usr/lib64/squid/db.cf mysql_columns
> > logfile_daemon /usr/lib64/squid/logmysqldb_daemon
> > pid_filename /var/run/squid.pid
> > refresh_pattern ^ftp: 1440 20% 10080
> > refresh_pattern ^gopher: 1440 0% 1440
> > refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
> > refresh_pattern . 0 20% 4320
> > acl shoutcast rep_header X-HTTP09-First-Line ^ICY.[0-9]
> > upgrade_http0.9 deny shoutcast
> > acl apache rep_header Server ^Apache
> > broken_vary_encoding allow apache
> > prefer_direct off
> > never_direct allow OWA
> > coredump_dir /var/spool/squid
> >
> >
> > OUTPUT of "host webmail.airarabia.ae" taking from DNS
> > webmail.airarabia.ae has address 10.200.22.12
> >
> >
> > clients browser
> > proxy set to 10.200.22.49 port 80
> > NO by-pass
> >
> > Now confused with DNS what should be the DNS entires.
> >
> > the clients will not by-pass.
> >
> > should the DNS entry point to the OWA IP or to Squid Proxy?
> >
> >
> > Please help as I am confused.
> >
>
> Oh, I see...
>
> You need this:
>
> 10.200.22.49 -> SquidProxy
> 10.200.22.12 -> OWA
> 10.200.2.22 -> DNS Server
>
> DNS Entires,
> webmail.airarabia.com pointing to 10.200.22.49 (HTTP, HTTPS stuff)
> mail.airarabia.com pointing to 10.200.22.12 (SMTP stuff)
>
> On Squid Proxy Server,
>
> /etc/resolv.conf:
> nameserver 10.200.2.22
>
> /etc/hosts:
> 127.0.0.1 localhost
>
> squid.conf as above but:
>
> http_port 10.200.22.49:80 accel defaultsite=webmail.airarabia.ae
> https_port 10.200.22.49:443 accel defaultsite=webmail.airarabia.ae \
> cert=/etc/squid/keys/proxycert.pem key=/etc/squid/keys/proxykey.pem
>
> cache_peer 10.200.22.12 parent 80 0 no-query originserver login=PASS \
> front-end-https=on name=owaServer
> cache_peer_access owaServer allow OWA
>
> cache_peer proxy1.emirates.net.ae parent 8080 0 no-query default
> cache_peer_access proxy1.emirates.net.ae allow !OWA
>
>
>
> NOTE the 'accel' option on ports and "!OWA" on default parent peer access.
>
> Amos
>
>
> > //Remy
> >
> > On Sun, 2009-05-17 at 19:33 +1200, Amos Jeffries wrote:
> >> Mario Remy Almeida wrote:
> >> > Hi Amos,
> >> >
> >> > One thing I forgot to mentioned
> >> >
> >> > /etc/hosts has this entry
> >> > 10.200.22.12 mail.airarabia.ae
> >> >
> >> > Output of " host mail.airarabia.ae " from dns is ->
> >> > mail.airarabia.ae has address 10.200.9.20
> >> >
> >> >
> >> > User (browser) reads the host file from individual PCs
> >> > cat /etc/hosts | grep "mail.airarabia.ae"
> >> > 10.200.22.49 mail.airarabia.ae
> >> >
> >> >
> >> > 10.200.22.49 <- squid proxy ip
> >> > 10.200.22.12 <- OWA ip
> >>
> >> This could cause you some problems administering it.
> >>
> >> My advice on this is to setup DNS pointing at Squid for the HTTPS domain
> >> name, set squid.conf with the right OWA IP as a peer, and not have the
> >> individual hosts file overrides.
> >>
> >> The fact that the public IP for the domain is different to both the
> >> squid IP and the real OWA/Exchange IP is worrying. I trust that you know
> >> what destinations should be.
> >>
> >> Amos
> >>
> >> >
> >> > Please find the answers below.
> >> >
> >> > //Remy
> >> >
> >> > On Sun, 2009-05-17 at 18:16 +1200, Amos Jeffries wrote:
> >> >> Mario Remy Almeida wrote:
> >> >>> Hi Amos,
> >> >>>
> >> >>> I followed the instruction as per
> >> >>> http://wiki.squid-cache.org/ConfigExamples/Reverse/OutlookWebAccess
> >> >>>
> >> >>> But I am some how failing to configure https.
> >> >>>
> >> >>> My squid.conf
> >> >>> ========================================================================
> >> >>> https_port 443 defaultsite=mail.airarabia.ae \
> >> >>> cert=/etc/squid/keys/cert.pem key=/etc/squid/keys/key.pem
> >> >> Okay two extra things about the port:
> >> >> 1) unless you have the wilcard cert its best to specify the IP:port
> >> >> combo and generate the cert for those IP:port. That way you can use
> >> >> other IP for other domains and be sure Squid is sending SSL on the right IP.
> >> > changed it to ->
> >> > https_port 10.200.22.49:443 defaultsite=mail.airarabia.ae \
> >> > cert=/etc/squid/keys/cert.pem key=/etc/squid/keys/key.pem
> >> >
> >> >> 2) check that the cert/key are correct for the IP:port squid is
> >> >> listening on.
> >> >
> >> > use this command to generate the ssl certificate
> >> >
> >> > openssl req -x509 -days 365 -newkey rsa:1024 -keyout key.pem -nodes
> >> > \-out cert.pem
> >> >
> >>
> >> The keys do need to be signed in some way before they are valid for use.
> >> This looks like a key creation-only command, though with SSL certs I
> >> only know enough to follow the tutorials. Doing that (for all key steps)
> >> I've never had a problem.
> >>
> >> Amos
> >>
> >> >
> >> >>
> >> >>> cache_peer 10.200.22.12 parent 80 0 no-query originserver login=PASS \
> >> >>> front-end-https=on login=PASS name=owaServer
> >> >> So OWA is listening on port 80?
> >> > yes on port 80 no issue
> >> >
> >> >>> cache_peer_access owaServer allow OWA
> >> >>> acl OWA dstdomain mail.airarabia.ae
> >> >>> http_access allow OWA
> >> >>> miss_access allow OWA
> >> >>> miss_access deny all
> >> >> Missing:
> >> >> never_direct allow OWA
> >> > Actually I forgot to mention it here
> >> > It is specified in squid.conf
> >> >
> >> >> that bit is important to prevent Squid even attempting to request a
> >> >> connection direct to OWA without the peerage settings.
> >> >>
> >> >> Amos
> >> >>
> >> >>> cache.log
> >> >>> ========================================================================
> >> >>> 2009/05/17 13:32:12| fwdNegotiateSSL: Error negotiating SSL connection \
> >> >>> on FD 24: error:00000000:lib(0):func(0):reason(0) (5/-1/104)
> >> >>> 2009/05/17 13:32:12| fwdNegotiateSSL: Error negotiating SSL connection \
> >> >>> on FD 24: error:00000000:lib(0):func(0):reason(0) (5/-1/104)
> >> >>> 2009/05/17 13:32:13| fwdNegotiateSSL: Error negotiating SSL connection \
> >> >>> on FD 24: error:00000000:lib(0):func(0):reason(0) (5/-1/104)
> >> >>>
> >> >>> Error on the browser
> >> >>> ========================================================================
> >> >>> While trying to retrieve the URL: https://mail.airarabia.ae/exchweb/
> >> >>>
> >> >>> The following error was encountered:
> >> >>>
> >> >>> * Connection to 10.200.22.12 Failed
> >> >>>
> >> >>> The system returned:
> >> >>>
> >> >>> (71) Protocol error
> >> >>>
> >> >>> The remote host or network may be down. Please try the request again.
> >> >>>
> >> >>>
> >> >>> Please help
> >> >>>
> >> >>> //Remy
> >> >>>
> >> >>>
> >> >>> On Fri, 2009-05-15 at 16:35 +1200, Amos Jeffries wrote:
> >> >>>> Mario Remy Almeida wrote:
> >> >>>>> Hi All,
> >> >>>>>
> >> >>>>> Need to setup Reverse proxy
> >> >>>>>
> >> >>>>> I have
> >> >>>>>
> >> >>>>> Squid 2.7STABLE6
> >> >>>>> OS Centos
> >> >>>>>
> >> >>>>> Web server= Microsoft Outlook Web Access
> >> >>>>> SSL enabled
> >> >>>>> port 443
> >> >>>>>
> >> >>>>>
> >> >>>>> My squid config is as below
> >> >>>>>
> >> >>>>> acl vhosts1_domains dstdomain mail.airarabiauae.com
> >> >>>>> http_port 443 accel defaultsite=mail.airarabiauae.com vhost
> >> >>>>> cache_peer 10.200.22.12 parent 443 0 no-query originserver name=vhost1 \
> >> >>>>> ssl
> >> >>>>> cache_peer_access vhost1 allow vhosts1_domains
> >> >>>>>
> >> >>>>> Please someone tell me it that is the right way to configure it.
> >> >>>>>
> >> >>>> No. Here is the tutorial:
> >> >>>>
> >> >>>> http://wiki.squid-cache.org/ConfigExamples/Reverse/OutlookWebAccess
> >> >>>>
> >> >>>> port 443 is often encrypted. It requires the https_port option instead
> >> >>>> of http_port, and the certificate as well.
> >> >>>>
> >> >>>> The peer part may be correct, or further ssl-related options may be
> >> >>>> needed. It depends on your peer so I can't say for certain unless you
> >> >>>> actually hit a problem.
> >> >>>>
> >> >>>>
>
> Amos
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Received on Sun May 17 2009 - 13:34:22 MDT
This archive was generated by hypermail 2.2.0 : Sun May 17 2009 - 12:00:01 MDT