14. Network

Table 14.2. Networking Commands

Command

Type

Description

iptraf

wpa_supplicant

sftp

vsftpd

nmap

arp

Linux ARP kernel module

atop

curl

transfer a URL

dhclient

Dynamic Host Configuration Protocol Client

dig

DNS lookup utility

ftp

Internet file transfer program

host

DNS lookup utility

ifconfig

ip

Linux IPv4 protocol implementation

ip

show / manipulate routing, network devices, interfaces and tunnels

iptables

administration tool for IPv4/IPv6 packet filtering and NAT

lnstat

unified linux network statistics

nc

arbitrary TCP and UDP connections and listens

netcat

arbitrary TCP and UDP connections and listens

networkctl

Query the status of network links

nslookup

query Internet name servers interactively

nstat

network statistics tools.

nsupdate

dynamic DNS update utility

ping

send ICMP ECHO_REQUEST to network hosts

rlogin

OpenSSH remote login client

ssh

OpenSSH remote login client

tc-route

route traffic control filter

telnet

user interface to the TELNET protocol

tracepath

traces path to a network host discovering MTU along this path

wget

The non-interactive network downloader

whois

Table 14.3. Networking Protocols and Services

Protocol

Description

KERBEROS

LDAP

PAM

POP3

POP3S

IMAP

IMAPS

SMTP

SMTPS

DNS

DNSSec

DHCP

NTP

SSH

SCP

RSYNC

FTP

FTPS

HTTP

HTTPS

NFS

SAMBA

cups

httpd

bind

14.1. wget

14.2. curl