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Man Pages


Manual Reference Pages  -  CSOCKS (1)

NAME

csocks - Script that LD_PRELOAD a socks v4/v5 library for socksify applications

CONTENTS

Synopsys
Description
Environment
Example
Exit Status
Conforming To
Note
Copyright
See Also

SYNOPSYS

csocks [BinaryApplication]

DESCRIPTION

csocks
Csocks (csocks is abbreviation for "Client Socks") is a Unix/Posix Socks4/5 client that supports many features. SOCKS is an Internet protocol that allows client-server applications to transparently use the services of a network firewall. SOCKS is an abbreviation for "SOCKetS". Clients behind a firewall, needing to access exterior servers, may connect to a SOCKS proxy server instead. Such proxy server controls the eligibility of the client to access the external server and passes the request on to the server. SOCKS can also be used in the opposite way, allowing the clients outside the firewall ("exterior clients") to connect to servers inside the firewall (internal servers). Coscks is not a binary program, csocks is a simple shared library that "maskerades" the socket system calls used by the programs which you want socksify. The force of csocks is the stability, the optimization speed and the affidability (for example csocks socksify fine Firefox and applet Java..) compared with other famouse socks client like DANTE socks client, RUNSOCKS socks client, TSOCKS socks client. Moreover CSOCKS work fine with a big number of applications that i tested it, like Mozilla Firefox, Java, Javascript, Safari etc. Csocks is easy to use and soon will support a new security features implemented with ss5 (See http://ss5.sourceforge.net). You can configure the user-name and password for socks5 connections (see ENVIRONMENT). The features implemented are:

SOCKS4 (all functions): CONNECT, BIND

SOCKS5 : CONNECT, BIND, UDP ASSOCIATE, USER AUTHENTICATION

ENVIRONMENT

In the "csocks.conf" configuration file you can indicate the username (socks4 and 5) and password (only socks5) used globally. In alternative you can set CSOCKS_USER and CSOCKS_PASSWD environment (in this case the global declarations in csocks.conf are ignored).

EXAMPLE

CSOCKS is easy to use: if you want to socksify your favorite application (f.e. ssh), simple you must write the command:

csocks ssh 152.33.28.56

Starting from version 1.5 csocks support IPv6 rules (sperimental) and socksify IPv6 connections

csocks ssh fe80::242:3hff:fe54:e7e6%bge0

Before this, you must configure the CSOCKS configuration file (usually is /usr/local/etc/csocks.conf in FreeBSD and /etc/csocks.conf in Linux). See manpage csocks.conf (5)

EXIT STATUS

0 If status is done negative other

CONFORMING TO

RFC1928 - RFC1929 - RFC1961

NOTE

The SOCKS5/GSSAPI aren’t implemented in the current version.

COPYRIGHT

Raffaele De Lorenzo (raffaele.delorenzo@libero.it) (http://csocks.altervista.org)

SEE ALSO

csocks.conf(5)

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--> CSOCKS (1) Version 1.5 - January 5 2008

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