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especially mentioning that proxychains is a HACK so it may not work.
it is a hack because it modifies existing programs in a way not
originally intended by its authors.
additionally it relies on a very complicated and fragile dynamic
linker infrastructure which can easily break, as is the case with
glibc-linked programs that use dlopen() (see issue #10).
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rofl0r 2013-02-10 09:54:00 +01:00
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README
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@ -1,9 +1,23 @@
ProxyChains ver 4.4 README
==========================
ProxyChains-NG ver 4.5 README
=============================
ProxyChains is a UNIX program, that hooks network-related libc functions
in dynamically linked programs via a preloaded DLL and redirects the
connections through SOCKS4a/5 or HTTP proxies.
in DYNAMICALLY LINKED programs via a preloaded DLL (dlsym(), LD_PRELOAD)
and redirects the connections through SOCKS4a/5 or HTTP proxies.
It supports TCP only (no UDP/ICMP etc).
The way it works is basically a HACK; so it is possible that it doesn't
work with your program, especially when it's a script, or starts
numerous processes like background daemons or uses dlopen() to load
"modules" (bug in glibc dynlinker).
It should work with simple compiled (C/C++) dynamically linked programs
though.
If your program doesn't work with proxychains, consider using an
iptables based solution instead; this is much more robust.
Supported Platforms: Linux, BSD, Mac.
*********** ATTENTION ***********
@ -25,18 +39,6 @@ ProxyChains ver 4.4 README
RESPONSIBILITY FOR ANY ABUSE OR MISUSE OF THIS SOFTWARE AND
THE RESULTING CONSEQUENCES.
*********** ATTENTION ***********
this program works only on DYNAMICALLY LINKED programs.
also both proxychains and the program to call must use
the same dynamic linker (i.e. same libc).
why ? because in order to hook to libc functions like
connect(), dynamic loader facilities are used, namely
dl_sym() and LD_PRELOAD.
*********************************
*** Installation ***
# needs a working C compiler, preferably gcc
@ -51,6 +53,10 @@ ProxyChains ver 4.4 README
Changelog:
----------
Version 4.5:
- hook close() to prevent OpenSSH from messing with internal infrastructure.
this caused ssh client to segfault when proxified.
Version 4.4:
- FreeBSD port
- fixes some installation issues on Debian and Mac.
@ -104,10 +110,9 @@ Some cool features:
random order from the list ( user defined length of chain ).
exact order (as they appear in the list )
dynamic order (smart exclude dead proxies from chain)
* You can use it with any TCP client application, even network scanners
yes, yes - you can make portscan via proxy (or chained proxies)
for example with Nmap scanner by fyodor (www.insecire.org/nmap).
proxychains nmap -sT -PO -p 80 -iR (find some webservers through proxy)
* You can use it with most TCP client applications, possibly even network
scanners, as long as they use standard libc functionality.
pcap based scanning does not work.
* You can use it with servers, like squid, sendmail, or whatever.
* DNS resolving through proxy.
@ -116,13 +121,13 @@ Configuration:
--------------
proxychains looks for config file in following order:
1) file listed in environment variable ${PROXYCHAINS_CONF_FILE} or
1) file listed in environment variable PROXYCHAINS_CONF_FILE or
provided as a -f argument to proxychains script or binary.
2) ./proxychains.conf
3) $(HOME)/.proxychains/proxychains.conf
4) /etc/proxychains.conf **
4) $(sysconfdir)/proxychains.conf **
**see more in /etc/proxychains.conf
** usually /etc/proxychains.conf
Usage Example: