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iptraf

iptraf

Oct 2019


Iptraf is an interactive and colorful IP Lan monitor. It shows individual connections and the amount of data flowing between the hosts.

Install iptraf on CentOS/RHEL/Red Hat/Fedora Linux

  yum install iptraf -y



Using iptraf

From the command line, simply enter:

  iptraf-ng


This will start the iptraf application.

iptraf-ng 1.1.4





                                 ┌─────────────────────────────────┐
                                 │ IP traffic monitor              │
                                 │ General interface statistics    │
                                 │ Detailed interface statistics   │
                                 │ Statistical breakdowns...       │
                                 │ LAN station monitor             │
                                 │─────────────────────────────────│
                                 │ Filters...                      │
                                 │─────────────────────────────────│
                                 │ Configure...                    │
                                 │─────────────────────────────────│
                                 │ About...                        │
                                 │─────────────────────────────────│
                                 │ Exit                            │
                                 └─────────────────────────────────┘






 Displays current IP traffic information
 Up/Down-Move selector  Enter-execute

Select IP traffic monitor, and you will see an interface list:

                                 ┌─────────────────────────────────┐
                             ┌ Select Interface ────┐              │
                             │ All interfaces       │statistics    │
                             │ lo                   │ statistics   │
                             │ eth0                 │owns...       │
                             │ eth1                 │r             │
                             │ eth3                 │──────────────│
                             │ eth2                 │              │
                             │                      │──────────────│
                             │                      │              │
                             │                      │──────────────│
                             │                      │              │
                             │                      │──────────────│
                             │                      │              │
                             └──────────────────────┘──────────────┘

Select the desired interface to start monitoring (or just select All interfaces):

 iptraf-ng 1.1.4
┌ TCP Connections (Source Host:Port) ────────────────────── Packets ────── Bytes ─ Flag  Iface ─────┐
│┌10.43.30.13:22                                          >    2199       288584   -PA-  eth0       │
│└10.14.2.54:5053                                         >    2120       106550   --A-  eth0       │
│┌127.0.0.1:38974                                         >   10428      1336680   --A-  lo         │
│└127.0.0.1:6382                                          >    9480       417120   -PA-  lo         │
│┌127.0.0.1:34210                                         >       2           80   --A-  lo         │
│└127.0.0.1:6380                                          =       0            0   ----  lo         │
│┌127.0.0.1:6380                                          =       0            0   ----  lo         │
│└127.0.0.1:34212                                         >       1           40   --A-  lo         │
│┌127.0.0.1:63244                                         >     276        16572   --A-  lo         │
│└127.0.0.1:6380                                          >     158        27946   -PA-  lo         │
│┌10.43.30.13:58778                                       >     208        32364   -PA-  eth0       │
│└10.43.30.11:5672                                        >     208         9574   --A-  eth0       │
│┌127.0.0.1:42348                                         >     384        19200   --A-  lo         │
│└127.0.0.1:705                                           >     192        13056   -PA-  lo         │
│┌10.43.30.13:58772                                       >      42         3694   -PA-  eth0       │
└ TCP:    114 entries ───────────────────────────────────────────────────────────────────── Active ─┘
┌───────────────────────────────────────────────────────────────────────────────────────────────────┐
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6009 on eth3                               │
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6003 on eth3                               │
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6008 on eth3                               │
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6009 on eth3                               │
│ UDP (216 bytes) from 12.43.30.13:10444 to 239.0.11.11:6001 on eth3                                │
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6008 on eth3                               │
│ UDP (1344 bytes) from 12.43.30.13:10444 to 239.0.11.11:6003 on eth3                               │
└ Bottom ────── Elapsed time:   0:01 ───────────────────────────────────────────────────────────────┘
 Packets captured:                             356591   │  TCP flow rate:         23.69 kbps
 Up/Dn/PgUp/PgDn-scroll  M-more TCP info   W-chg actv win  S-sort TCP  X-exit

While this gives a lot of information, it is more a 'Wireshark' style output.

General Interface Statistics is a good one for monitoring bandwidth.

 iptraf-ng 1.1.4
┌ Iface ───────────── Total ─────── IPv4 ────── IPv6 ────── NonIP ── BadIP ──────── Activity ───────┐
│ lo                  17660        17660           0            0        0         300.90 kbps      │
│ eth0                 3102         3102           0            0        0          36.31 kbps      │
│ eth1                    0            0           0            0        0           0.00 kbps      │
│ eth3               208374       208374           0            0        0       36554.82 kbps      │
│ eth2                   11           11           0            0        0           0.50 kbps      │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
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│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
│                                                                                                   │
└ Elapsed time:   0:01 ───────────────── Total, IP, NonIP, and BadIP are packet counts ─────────────┘
 Up/Down/PgUp/PgDn-scroll window  X-exit
iptraf.txt · Last modified: 2023/03/09 22:35 by 127.0.0.1