I have installed a linux 9 router/firewall and have issues with outside DNS queries making it in. here are my IPTABLE rules, can anyone make some suggestions?
ETH1 is my outside facing Interface, ETH0 is my inside facing interface.
Accept If input interface is not eth1
Accept If protocol is... (1 Reply)
I have installed a linux 9 router/firewall and have issues with outside DNS queries making it in. here are my IPTABLE rules, can anyone make some suggestions?
ETH1 is my outside facing Interface, ETH0 is my inside facing interface.
Accept If input interface is not eth1
Accept If protocol... (6 Replies)
I'm new to Linux and I made a big mistake at work recently locking myself out of our own server :(.
I did iptables -F first as the tutorial said and then entered the rules. I wanted to start over again so I did iptables -F and it locked us out. We had to get someone to physically restart... (0 Replies)
I am using BSD TCP sockets under Debian Linux 2.6 and no matter what I do, the socket blocks on recv.
I have set O_NONBLOCK and O_NDELAY using fcntl to no effect.
Any ideas ? (3 Replies)
Hello,
Would this be an acceptable way of creating a non-blocking pipe.
Basically I want to create kind of a server client arch.
This code would be in the server, and I don't want to have to wait for
clients to read before moving on to the next client. One problem I
can see is if... (4 Replies)
we have internal network 192.168.129.x for a system hosted with
pdf.xxx.xyz URL is already public accessible
but when try to connect as site (/ap/p.nt) of the URL pdf.xxx.xyz/ap/p.nt
restriction to be applied publicly except accessing internally
can anyone guide me on this?? (1 Reply)
Hi Folks
I have been debugging a script that is called every thirty seconds. Basically it is doing a ps, well two actually, one to file (read by the getline below) and the other into a pipe. The one into the pipe is: -
V_SYSVPS=/usr/sysv/bin/ps
$V_SYSVPS -p$PIDLIST -o$PSARGS... (0 Replies)
Hi!
I have a dedicated hosting working with 2 ips.
Is it possible to block all connections but 1 in all existing ports for only 1 of my ips?
I mean like, I have 2 ips for example: 190.x.x.5 and 190.x.x.6
I want that all the connections going to 190.x.x.6 in all ports get rejected but only 1... (7 Replies)
among the below socket programming api's, please let me know which are blocking and non-blocking.
socket
accept
bind
listen
write
read
close (2 Replies)
Just added these lines to our server firewall:
iptables -A INPUT -p tcp --dport 3306 -s 127.0.0.1 -d 127.0.0.1 -j ACCEPT
iptables -A INPUT -p tcp --dport 3306 -j DROP
Even though mysql is configured to correctly only listen on port 127.0.0.1 we still see these mysql log file notes on a daily... (0 Replies)
Discussion started by: Neo
0 Replies
LEARN ABOUT XFREE86
iptables-save
IPTABLES-SAVE(8) iptables 1.6.1 IPTABLES-SAVE(8)NAME
iptables-save -- dump iptables rules to stdout
ip6tables-save -- dump iptables rules to stdout
SYNOPSIS
iptables-save [-M modprobe] [-c] [-t table]
ip6tables-save [-M 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-apply(8),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 1.6.1IPTABLES-SAVE(8)