05-31-2019
This User Gave Thanks to jim mcnamara For This Post:
10 More Discussions You Might Find Interesting
1. IP Networking
Hello All
I am running redhat linux 7.2 and would like to know how i can block telnetting to a specified port .
say for example i would like to block telnet acesses to port 80.
regards
Xiamin (5 Replies)
Discussion started by: xiamin
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2. Solaris
Hi,
Anyone know how I can log all input - when a user logs in to a specific port number ie if user telnet to port specifically telnet 0 4800
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3. Shell Programming and Scripting
H,
I want to know the ip of the devices connected to a specific port.
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4. UNIX for Advanced & Expert Users
Hi all,
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5. Solaris
Dear members,
My release is open Solaris b103
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6. Solaris
Hi All,
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7. IP Networking
Hi,
I've been looking for a few hours now, reading various docs and man pages, but the info I found so far is either not what I was looking for or I just don't get how to do the thing I need....
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8. Shell Programming and Scripting
I have a script that runs right before a daily reboot that captures the amount of MB transmitted up and pulled down since last reboot.
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9. UNIX for Dummies Questions & Answers
I need to search for a block with the starting pattern say
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"tabId": "table_1",
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.....
....
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Thanks,
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10. Shell Programming and Scripting
Hello again people,
I currently searching for a code/script that will allow it to check if a specific port is open, lets say 123. Found a public script on a ftp but I dont know how and what to modify in it to suit my needs. (I think this is a evil code and I want to use it as an example).
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IPFS(8) System Manager's Manual IPFS(8)
NAME
ipfs - saves and restores information for NAT and state tables.
SYNOPSIS
ipfs [-nv] -l
ipfs [-nv] -u
ipfs [-nv] [ -d <dirname> ] -R
ipfs [-nv] [ -d <dirname> ] -W
ipfs [-nNSv] [ -f <filename> ] -r
ipfs [-nNSv] [ -f <filename> ] -w
ipfs [-nNSv] -f <filename> -i <if1>,<if2>
DESCRIPTION
ipfs allows state information created for NAT entries and rules using keep state to be locked (modification prevented) and then saved to
disk, allowing for the system to experience a reboot, followed by the restoration of that information, resulting in connections not being
interrupted.
OPTIONS
-d Change the default directory used with -R and -W options for saving state information.
-n Don't actually take any action that would affect information stored in the kernel or on disk.
-v Provides a verbose description of what's being done.
-i <ifname1>,<ifname2>
Change all instances of interface name ifname1 in the state save file to ifname2. Useful if you're restoring state information
after a hardware reconfiguration or change.
-N Operate on NAT information.
-S Operate on filtering state information.
-u Unlock state tables in the kernel.
-l Lock state tables in the kernel.
-r Read information in from the specified file and load it into the kernel. This requires the state tables to have already been locked
and does not change the lock once complete.
-w Write information out to the specified file and from the kernel. This requires the state tables to have already been locked and
does not change the lock once complete.
-R Restores all saved state information, if any, from two files, ipstate.ipf and ipnat.ipf, stored in the /var/db/ipf directory unless
otherwise specified by the -d option. The state tables are locked at the beginning of this operation and unlocked once complete.
-W Saves in-kernel state information, if any, out to two files, ipstate.ipf and ipnat.ipf, stored in the /var/db/ipf directory unless
otherwise specified by the -d option. The state tables are locked at the beginning of this operation and unlocked once complete.
FILES
/var/db/ipf/ipstate.ipf
/var/db/ipf/ipnat.ipf
/dev/ipl
/dev/ipstate
/dev/ipnat
SEE ALSO
ipf(8), ipl(4), ipmon(8), ipnat(8)
DIAGNOSTICS
Perhaps the -W and -R operations should set the locking but rather than undo it, restore it to what it was previously. Fragment table
information is currently not saved.
BUGS
If you find any, please send email to me at darrenr@pobox.com
IPFS(8)