Hi,
So that potential responders will have an idea of what they're dealing with let me say that while I am a UNIX newbie I have been in IT for over 10 years.
We have several SUN boxes running ver 5 of the OS that have been sitting dormant for some time as they were part of a now defunct... (3 Replies)
Hi,
I will like to allow access to the mysql port (3306) to certain IP address. All other IP's should be automatically blocked. What is the best way to do this? (8 Replies)
I am trying to block ALL traffic except when from ports 9100,22,23 to destination network 192.0.0.0 (my WAN): 2 networks 192.0.3.0 with static route to 192.0.0.0
Shouldn't this work?:
iptables -A INPUT -p tcp -d 192.0.0.0/24 --dport 22 -j ACCEPT
iptables -A INPUT -p tcp -d 192.0.0.0/24... (3 Replies)
i want to kill a tcp connection by killing its pid
with netstat -an i got the tcp ip connection on port 5914
but when i type ps -a or ps-e there is not such process running on port 5914
is it possible that because i do not log on with proper user account i can not see that process running? (30 Replies)
Hi All,
I successfully configured a DEBIAN Lenny bridged firewall
using ebtables.
The bridged interface is br0.
The ethernet interface are eth0 & eth1 respectively.
All the traffic are transparently passing my firewall but i need to find & block temporarily the bandwidth abusers.
Can... (1 Reply)
hi guys
I doing some collocation for a customer, customer requested to use other port for ssh not the default one. OK no problem
and customer will be using rsync to sync backups among other things
I know we have to open port let's say port 5999 for ssh since we are using that one now but I... (1 Reply)
Hi Experts,
I am receiving below error while trying to connect port 8080.
Could not open connection to the host, on port 8080 : connection refused.
iptables configuration
/etc/sysconfig/iptables
# Firewall configuration written by system-config-firewall
# Manual customization of... (1 Reply)
If I would like to know what connection , data , traffic in a network port ( eth0 ) , what can I do ?
ps. because I always found the network is very slow , so I would like what the network port is doing .
Thanks
Login ID ust3 is currently in read-only mode for multiple infractions. Creating... (0 Replies)
Hi Friends,
How to do port forwarding in AIX? We would like to re route traffic from port A to port B on AIX LPAR.
for example: my application is using 8080 port on LPAR and would like to use the 8081 instead of 8080. By default application was configured with 8080. But instead of changing... (2 Replies)
Discussion started by: System Admin 77
2 Replies
LEARN ABOUT CENTOS
unbound-streamtcp
unbound-streamtcp(1) unbound unbound-streamtcp(1)NAME
unbound-streamtcp - unbound DNS lookup utility
SYNOPSIS
unbound-streamtcp [-unsh] [-f ipaddr[@port]] name type class
DESCRIPTION
unbound-streamtcp sends a DNS Query of the given type and class for the given name to the DNS server over TCP and displays the response.
If the server to query is not given using the -f option then localhost (127.0.0.1) is used. More queries can be given on one commandline,
they are resolved in sequence.
The available options are:
name This name is resolved (looked up in the DNS).
type Specify the type of data to lookup.
class Specify the class to lookup for.
-u Use UDP instead of TCP. No retries are attempted.
-n Do not wait for the answer.
-s Use SSL.
-h Print program usage.
-f ipaddr[@port]
Specify the server to send the queries to. If not specified localhost (127.0.0.1) is used.
EXAMPLES
Some examples of use.
$ unbound-streamtcp www.example.com A IN
$ unbound-streamtcp -f 192.168.1.1 www.example.com SOA IN
$ unbound-streamtcp -f 192.168.1.1@1234 153.1.168.192.in-addr.arpa. PTR IN
EXIT CODE
The unbound-streamtcp program exits with status code 1 on error, 0 on no error.
AUTHOR
This manual page was written by Tomas Hozza <thozza@redhat.com>.
NLnet Labs Mar 21, 2013 unbound-streamtcp(1)