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REDIR

NAME

redir − redirect tcp connections

SYNOPSIS

redir [−-laddr=incoming.ip.address] [−-caddr=host] [−-debug] [−-syslog [−-name=str] [−-timeout=n] [−-bind_addr=my.other.ip.address] [−-ftp=type] [−-transproxy] [−-connect=host:port] --lport=port --cport=port [−-bufsize=n] [−-max_bandwidth=n] [−-random_wait=n] [−-wait_in_out=n]
redir
−-inetd [−-caddr=host] [−-debug] [−-syslog [−-name=str] [−-timeout=n] [−-ftp=type] [−-transproxy] [−-connect=host:port] --cport=port [−-bufsize=n] [−-max_bandwidth=n] [−-random_wait=n] [−-wait_in_out=n]

DESCRIPTION

Redir redirects tcp connections coming in to a local port to a specified address/port combination.

It may be run either from inetd or as a standalone daemon. Depending on how redir was compiled, not all options may be available.

OPTIONS

−-lport

Specifies port to listen for connections on (when not running from inetd)

−-laddr

IP address to bind to when listening for connections (when not running from inetd)

−-cport

Specifies port to connect to.

−-caddr

Specifies remote host to connect to. (localhost if omitted)

−-inetd

Run as a process started from inetd, with the connection passed as stdin and stdout on startup.

−-debug

Write debug output to stderr or syslog.

−-name

Specify program name to be used for TCP wrapper checks and syslog logging.

--timeout

Timeout and close the connection after n seconds of inactivity.

−-syslog

Log information to syslog.

−-bind_addr

Forces redir to pick a specific address/interface to bind to when it listens for incoming connections.

−-ftp

When using redir for an FTP server, this will cause redir to also redirect ftp connections. Type should be specified as either "port", "pasv", or "both", to specify what type of FTP connection to handle. Note that --transproxy often makes one or the other (generally port) undesirable.

−-transproxy

On a linux system with transparent proxying enabled, causes redir to make connections appear as if they had come from their true origin. (see /usr/share/doc/redir/transproxy.txt)

−-connect

Redirects connections through an HTTP proxy which supports the CONNECT command. Specify the address and port of the proxy using --caddr and --cport. --connect requires the hostname and port which the HTTP proxy will be asked to connect to.

−-bufsize n

Set the bufsize (defaut 4096) in bytes. Can be used combined with --max_bandwidth or --random_wait to simulate a slow connection.

−-max_bandwidth n

Reduce the bandwidth to be no more than n bits/sec. The algorithme is basic, the goal is to simulate a slow connection, so there is no pic acceptance.

−-random_wait n

Wait between 0 and 2 x n milliseconds before each "packet". A "packet" is a bloc of data read in one time by redir. A "packet" size is always less than the bufsize (see also --bufsize).

−-wait_in_out n

Apply --max_bandwidth and --random_wait for input if n=1, output if n=2 and both if n=3.

SEE ALSO

inetd(1)

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