SS5 Official Web Site

 

Features

SS5 supports the following features:

Socks 4 Protocol	SS5 V3.8.3
CONNECT operation	[Mod socks4] Supported
BIND operation	[Mod socks4] Supported
IDENTD protocol (Rfc 1413)	[Mod socks4] Not supported

Socks 4A Protocol Extension	SS5 V3.8.3
DNS resolution	Supported:  dns responses can be ordered

Socks 5 Protocol  (RFC 1928)	SS5 V3.8.3
Authentication	[Mod authentication] 1. Basic using: Password file Generic External Authentication Program PAM Secure User Password Authentication Radius 2.Kerberos using: GSS Api
CONNECT operation	[Mod socks5] Supported
BIND operation	[Mod socks5] Supported
UDP ASSOCIATE operation	[Mod socks5] Supported
IDENTD protocol (Rfc 1413)	[Mod socks5] Not supported

GSSApi (RFC 1961)	SS5 V3.8.3
Authentication, Integrity and Encryption message	Supported

Custom	SS5 V3.8.3
Cache authentication	Supported (Only threaded mode)
Cache authorization	Supported (Only threaded mode)
Authorization	[Mod authorization] Supported using: Group on file system Directory ldap query (up to 20 directories) Mysql DB query
Socks upstream	SS5  can servs client requests through other Socks servers. Protocol conversion from V5 to V4 is supported only for CONNECT operation.
Traffic dump	[Mod dump] SS5  can dump client sessions to file
Load Balancing	[Mod balancing] SS5 balances the requests over different  servers (Only threaded mode) Session affinity can be set
Bandwidth profiling	[Mod bandwidth] SS5 can limit bandwidth per user or per IP. It can also limit number of connections per user (Only threaded mode)
Traffic filtering	[Mod filter] The following protocols are supported: http/s smtp pop3 imap4
Internet Cache Protocol (ICP)	[Mod filter] A new protocols is supported to fetch http objects from external cache http proxy: icache
Server statistics	[Mod statistics] Web console shows server statistics and other information such as client sessions etc (Only threaded mode).
Server manager	New command line tool to query or change socks online configuration.
Centralized configuration management	SS5 can propagate local configuration to other remote istances of socks servers using a propagate key as security mechanism

Architecture	SS5 V3.8.3
Module structure	Supported
Hashed ACL	Supported