What's my goal: know what employee are looking in Internet (what pages, how long etc; no caching).
What I did: install squid on openBSD
Problem: I see whole traffic (tcpdump), but I can't redirect it to squid
How I connected it:
[ internet ]
|
[ switch with port mirroring ] => [ squid server ]
|
[ LAN ]
My squid server have two NIC: sis0 with IP address 10.0.0.100 (management connection) and rl0 without IP address and with promisc mode (no bridge; whole traffic is going to that interface).
My pf.conf:
pass # establish keep-state
block in on ! lo0 proto tcp to port 6000:6010
pass in on rl0 proto tcp from any to any port {80 443 3128 8080} rdr-to 10.2.0.247 port 3128
I have nothing in /var/squid/log/access.log. nc -l 3128 print nothing.
My squid.conf:
cat /etc/squid/squid.conf | grep -v ^$ | grep -v ^#
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 0.0.0.0/32
acl localnet src 10.0.0.0/24 # RFC1918 possible internal network
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
http_access allow manager localhost
http_access deny manager
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localnet
http_access deny all
icp_access allow localnet
icp_access deny all
http_port 10.0.0.100:3128
hierarchy_stoplist cgi-bin ?
cache_dir null /tmp
maximum_object_size 20480 KB
access_log /var/squid/logs/access.log squid
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
coredump_dir /var/squid/cache
