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Netgraph node for Mikrotik Ethernet-over-IP tunneling support

Nifmon is a curses-based tool for FreeBSD which can be used to monitor network interfaces (also tun devices). It displays continously updated statistics for the following quantities: - total amount of bytes/packets transferred in/out - bytes/packets transferred in/out during the last second/minute/hour - a stripped down tcpdump output You will need super-user permissions in order to use nifmon.

nload is a console application which monitors network traffic and bandwidth usage in real time. It visualizes the in- and outgoing traffic using two graphs and provides additionally info like total amount of transfered data and min/max network usage.

The NMSG format is an efficient encoding of typed, structured data into payloads which are packed into containers which can be transmitted over the network or stored to disk. libnmsg is the reference implementation of this format and provides an extensible interface for creating and parsing messages in NMSG format. The NMSG format relies on Google Protocol Buffers to encode the payload header. Individual NMSG payloads are distinguished by assigned vendor ID and message type values and libnmsg provides a modular interface for registering handlers for specific message types. libnmsg makes it easy to build new message types using the protobuf-c compiler.

A single-server inetd, similar to Dan Bernstein's tcpserver or courier-tcpd from Courier-IMAP. This is small, and supports limiting the number of concurrent connections and refusing further connections with a configurable message.

ttb is a program to browse Teletekstpages from http://teletekst.nos.nl/

nss-pam-ldapd, a Name Service Switch (NSS) module and Pluggable Authentication Module (PAM) that allows your LDAP server to provide user account, group, host name, alias, netgroup, and basically any other information that you would normally get from /etc flat files or NIS. It also allows you to do authentication to an LDAP server. Key differences from nss_ldap: * lighter NSS library * lighter PAM library * simpler internal semantics * clear separation between NSS, PAM and LDAP code (the server part could easily be implemented in another language) * less connections to the LDAP server

OpenBGPD is a FREE implementation of the Border Gateway Protocol, Version 4. It allows ordinary machines to be used as routers exchanging routes with other systems speaking the BGP protocol.

ntop is a flexible and feature-rich tool for monitoring and troubleshooting local area networks. It provides command line and web interfaces, the latter via an embedded web server. ntop is based on libpcap.