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March 8, 2018 13:21
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Squid Proxy Example for Datadog Agent Proxies
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# | |
# Example Squid Proxy Configuration for Datadog Agents | |
# | |
# Example rule allowing access from your local networks. | |
# Adapt to list your (internal) IP networks from where browsing | |
# should be allowed | |
acl localnet src 10.0.0.0/8 # RFC1918 possible internal network | |
acl localnet src 172.16.0.0/12 # RFC1918 possible internal network | |
acl localnet src 192.168.0.0/16 # RFC1918 possible internal network | |
acl localnet src fc00::/7 # RFC 4193 local private network range | |
acl localnet src fe80::/10 # RFC 4291 link-local (directly plugged) machines | |
acl SSL_ports port 443 | |
acl Safe_ports port 80 # http | |
acl Safe_ports port 443 # https | |
acl CONNECT method CONNECT | |
# Don't cache anything. | |
cache deny all | |
# Only allow cachemgr access from localhost | |
http_access allow localhost manager | |
http_access deny manager | |
# Deny requests to certain unsafe ports | |
http_access deny !Safe_ports | |
# Deny CONNECT to other than secure SSL ports | |
http_access deny CONNECT !SSL_ports | |
# We strongly recommend the following be uncommented to protect innocent | |
# web applications running on the proxy server who think the only | |
# one who can access services on "localhost" is a local user | |
#http_access deny to_localhost | |
# Example rule allowing access from your local networks. | |
# Adapt localnet in the ACL section to list your (internal) IP networks | |
# from where browsing should be allowed | |
http_access allow localnet | |
http_access allow localhost | |
# And finally deny all other access to this proxy | |
http_access deny all | |
# Squid normally listens to port 3128 | |
http_port 3128 | |
# Uncomment the line below to enable disk caching - path format is /cygdrive/<full path to cache folder>, i.e. | |
#cache_dir aufs /cygdrive/d/squid/cache 3000 16 256 | |
# Leave coredumps in the first cache dir | |
coredump_dir /var/cache/squid | |
# Add any of your own refresh_pattern entries above these. | |
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 | |
dns_nameservers 8.8.8.8 8.8.4.4 | |
max_filedescriptors 3200 |
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