On 2/18/23 16:54, Tom Horsley wrote:
On Sat, 18 Feb 2023 16:36:54 -0800
ToddAndMargo via users wrote:
How do you get ss to tell you the program name?
That's what running as root and using the -p option is supposed to do.
On my system for instance, I see this:
sudo ss -l -p -n | fgrep 22
one of the lines that appears is:
tcp LISTEN 0 128 0.0.0.0:22 0.0.0.0:* users:(("sshd",pid=1344,fd=3))
Don't know what it means if no program appears.
Opps, forgot to run it as root. See result way below.
It is "conntrackd". Am I even usig that with iptables?
Looks like not:
# dnf remove conntrack
Dependencies resolved.
================================================================================
Package Arch Version Repository
Size
================================================================================
Removing:
conntrack-tools x86_64 1.4.6-4.fc37 @fedora
670 k
Removing unused dependencies:
libnetfilter_cthelper x86_64 1.0.0-22.fc37 @fedora
43 k
libnetfilter_cttimeout x86_64 1.0.0-20.fc37 @fedora
43 k
libnetfilter_queue x86_64 1.0.5-3.fc37 @fedora
53 k
Transaction Summary
================================================================================
Remove 4 Packages
Freed space: 809 k
Is this ok [y/N]:
Do you thnk I cold get away with removing it?
$ su root -c "ss -l -p -n | fgrep 3780"
Password:
udp UNCONN 0 0
0.0.0.0:3780 0.0.0.0:* users:(("conntrackd",pid=5617,fd=6))
$ rpm -q -i -f $(which conntrackd)
Name : conntrack-tools
Version : 1.4.6
Release : 4.fc37
Architecture: x86_64
Install Date: Tue 13 Dec 2022 07:07:59 AM PST
Group : Unspecified
Size : 685579
License : GPLv2
Signature : RSA/SHA256, Wed 20 Jul 2022 05:20:15 PM PDT, Key ID
f55ad3fb5323552a
Source RPM : conntrack-tools-1.4.6-4.fc37.src.rpm
Build Date : Wed 20 Jul 2022 04:44:59 PM PDT
Build Host : buildvm-x86-29.iad2.fedoraproject.org
Packager : Fedora Project
Vendor : Fedora Project
URL : http://conntrack-tools.netfilter.org/
Bug URL : https://bugz.fedoraproject.org/conntrack-tools
Summary : Manipulate netfilter connection tracking table and run
High Availability
Description :
With conntrack-tools you can setup a High Availability cluster and
synchronize conntrack state between multiple firewalls.
The conntrack-tools package contains two programs:
- conntrack: the command line interface to interact with the connection
tracking system.
- conntrackd: the connection tracking userspace daemon that can be used to
deploy highly available GNU/Linux firewalls and collect
statistics of the firewall use.
conntrack is used to search, list, inspect and maintain the netfilter
connection tracking subsystem of the Linux kernel.
Using conntrack, you can dump a list of all (or a filtered selection of)
currently tracked connections, delete connections from the state table,
and even add new ones.
In addition, you can also monitor connection tracking events, e.g.
show an event message (one line) per newly established connection.
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