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dify/docker/ssrf_proxy/squid.conf.template
2026-01-04 19:59:41 +08:00

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acl localnet src 0.0.0.1-0.255.255.255 # RFC 1122 "this" network (LAN)
acl localnet src 10.0.0.0/8 # RFC 1918 local private network (LAN)
acl localnet src 100.64.0.0/10 # RFC 6598 shared address space (CGN)
acl localnet src 169.254.0.0/16 # RFC 3927 link-local (directly plugged) machines
acl localnet src 172.16.0.0/12 # RFC 1918 local private network (LAN)
acl localnet src 192.168.0.0/16 # RFC 1918 local private network (LAN)
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 SSL_ports port 1025-65535 # Enable the configuration to resolve this issue: https://github.com/langgenius/dify/issues/12792
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 allowed_domains dstdomain .marketplace.dify.ai
http_access allow allowed_domains
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localhost manager
http_access deny manager
http_access allow localhost
include /etc/squid/conf.d/*.conf
http_access deny all
################################## Proxy Server ################################
http_port ${HTTP_PORT}
coredump_dir ${COREDUMP_DIR}
refresh_pattern ^ftp: 1440 20% 10080
refresh_pattern ^gopher: 1440 0% 1440
refresh_pattern -i (/cgi-bin/|\?) 0 0% 0
refresh_pattern \/(Packages|Sources)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims
refresh_pattern \/Release(|\.gpg)$ 0 0% 0 refresh-ims
refresh_pattern \/InRelease$ 0 0% 0 refresh-ims
refresh_pattern \/(Translation-.*)(|\.bz2|\.gz|\.xz)$ 0 0% 0 refresh-ims
refresh_pattern . 0 20% 4320
# cache_dir ufs /var/spool/squid 100 16 256
# upstream proxy, set to your own upstream proxy IP to avoid SSRF attacks
# cache_peer 172.1.1.1 parent 3128 0 no-query no-digest no-netdb-exchange default
################################## Reverse Proxy To Sandbox ################################
http_port ${REVERSE_PROXY_PORT} accel vhost
cache_peer ${SANDBOX_HOST} parent ${SANDBOX_PORT} 0 no-query originserver
acl src_all src all
http_access allow src_all
# Unless the option's size is increased, an error will occur when uploading more than two files.
client_request_buffer_max_size 100 MB
################################## Performance & Concurrency ###############################
# Increase file descriptor limit for high concurrency
max_filedescriptors 65536
# Timeout configurations for image requests
connect_timeout 30 seconds
request_timeout 2 minutes
read_timeout 2 minutes
client_lifetime 5 minutes
shutdown_lifetime 30 seconds
# Persistent connections - improve performance for multiple requests
server_persistent_connections on
client_persistent_connections on
persistent_request_timeout 30 seconds
pconn_timeout 1 minute
# Connection pool and concurrency limits
client_db on
server_idle_pconn_timeout 2 minutes
client_idle_pconn_timeout 2 minutes
# Quick abort settings - don't abort requests that are mostly done
quick_abort_min 16 KB
quick_abort_max 16 MB
quick_abort_pct 95
# Memory and cache optimization
memory_cache_mode disk
cache_mem 256 MB
maximum_object_size_in_memory 512 KB
# DNS resolver settings for better performance
dns_timeout 30 seconds
dns_retransmit_interval 5 seconds
# By default, Squid uses the system's configured DNS resolvers.
# If you need to override them, set dns_nameservers to appropriate servers
# for your environment (for example, internal/corporate DNS). The following
# is an example using public DNS and SHOULD be customized before use:
# dns_nameservers 8.8.8.8 8.8.4.4
# Logging format for better debugging
logformat dify_log %ts.%03tu %6tr %>a %Ss/%03>Hs %<st %rm %ru %[un %Sh/%<a %mt
access_log daemon:/var/log/squid/access.log dify_log
# Access log to track concurrent requests and timeouts
logfile_rotate 10