01-15-2009
Quote:
Originally Posted by
Corona688
Could you show your code? We can't tell what's going wrong when we can't see what you're doing. Be sure to put it in code tags. like
i write this code to redirect stdout and stderr
dup2(fd2,STDOUT_FILENO);
dup2(fd1,STDERR_FILENO);//redirection of stdout and stderr in parent
close(fd2);close(fd1);
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LEARN ABOUT CENTOS
iptables-save
IPTABLES-SAVE(8) iptables 1.4.21 IPTABLES-SAVE(8)
NAME
iptables-save -- dump iptables rules to stdout
ip6tables-save -- dump iptables rules to stdout
SYNOPSIS
iptables-save [-M,--modprobe modprobe] [-c] [-t table]
ip6tables-save [-M,--modprobe modprobe] [-c] [-t table]
DESCRIPTION
iptables-save and ip6tables-save are used to dump the contents of IP or IPv6 Table in easily parseable format to STDOUT. Use I/O-redirect-
ion provided by your shell to write to a file.
-M,--modprobe modprobe_program
Specify the path to the modprobe program. By default, iptables-save will inspect /proc/sys/kernel/modprobe to determine the exe-
cutable's path.
-c, --counters
include the current values of all packet and byte counters in the output
-t, --table tablename
restrict output to only one table. If not specified, output includes all available tables.
BUGS
None known as of iptables-1.2.1 release
AUTHORS
Harald Welte <laforge@gnumonks.org>
Rusty Russell <rusty@rustcorp.com.au>
Andras Kis-Szabo <kisza@sch.bme.hu> contributed ip6tables-save.
SEE ALSO
iptables-restore(8), iptables(8)
The iptables-HOWTO, which details more iptables usage, the NAT-HOWTO, which details NAT, and the netfilter-hacking-HOWTO which details the
internals.
iptables 1.4.21 IPTABLES-SAVE(8)