The IP address 127.0.1.1 in the second line of this example may not be found on some other Unix-like systems. # The following lines are desirable for IPv6 capable hostsĮach line starts with a IP address and it is followed by the associated hostname. If the hostname is found by the query to the Internet Domain Name System (DNS) identified by the " /etc/nf" file, it returns all valid addresses for it and exits.įor example, " /etc/hosts" looks like the following. (The " /etc/nf" file contains " multi on".) If the hostname is found in the " /etc/hosts" file, it returns all valid addresses for it and exits. (This replaces the old functionality of the " order" stanza in " /etc/nf".) The " /etc/nf" file with stanza like " hosts: files dns" dictates the hostname resolution order. Trace a chain of DNS servers to the source Network clients provided with BIND: nslookup(8), nsupdate(8), dig(8)Ĭheck DNS zone information using nameserver lookups Produce a summarization of the connections from tcpdump outputįlexible network intrusion detection system ( Snort) Network traffic analyzer ( Wireshark, GTK) Network traffic analyzer ( Tcpdump, console) Network mapper / port scanner ( Nmap, console) Tools for common network information operations (GNOME) Trace the network path to a remote host (curses and GTK) Trace the network path to a remote host (curses) Test network reachability of a remote host specified by the ARP addressĭisplay or change Ethernet device settings Test network reachability of a remote host by hostname or IP address ( iproute2) Iproute2, IPv6 and other advanced network configuration: ip(8), tc(8), etcĪdministration tools for packet filtering and NAT ( Netfilter) Tool for configuring Linux wireless devices Tools for manipulating Linux Wireless Extensions Standardized tool to bring up and down the network (Debian specific)Ĭonfiguration helper for PPPoE connectionĬlient support for WPA and WPA2 (IEEE 802.11i) NetworkManager (daemon): manage the network automatically
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