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Netwox

Netwox. Zutao Zhu 02/17/2010. Outline. Introduction Usage. Introduction. Netwib. This is a network library. It is oriented towards developers. It depends on :   - libpcap and libnet under Unix   - WinPCAP under Windows. Netwox.

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Netwox

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  1. Netwox Zutao Zhu 02/17/2010

  2. Outline • Introduction • Usage

  3. Introduction

  4. Netwib • This is a network library. It is oriented towards developers.It depends on :  - libpcap and libnet under Unix  - WinPCAP under Windows

  5. Netwox • This is a network toolbox containing 223 tools. It is oriented towards administrators.It depends on netwib. • The list of 223 tools: http://www.laurentconstantin.com/common/netw/netwox/download/v5/toollist.txt

  6. Netwag • This is a graphical user interface for netwox.It depends on netwox and Tcl/Tk. • A graphical front end for netwox. It permits to easily : - search tools proposed in netwox - construct command line - run tools - keep an history of commands

  7. Synopsis • netwox[ number [ parameters... ] ]number : number of the tool to useparameters : parameters for the chosen tool number

  8. Description • When using netwox without number and parameters, it enters help mode. In this mode, the user has to select a category by pressing a key. Then by choosing a tool number, its corresponding usage is displayed.

  9. Demo • Go! • http://128.230.209.204/netwox-doc_html/html/examples.html

  10. Examples • netwox1    print the configuration of the local computernetwox3www.microsoft.com    print information about the hostname "www.microsoft.com"netwox3+thewww.microsoft.com    print IP address of hostname "www.microsoft.com"

  11. Misc • Use “arp –a” to check your arp cache • Use “route” command to print your routing table • Use “sysctl -q net.ipv4.tcp_max_syn_backlog” to check the system queue size • Use “netstat –an” to check the Active Internet connections

  12. Misc • Use “sysctl -a | grep cookie” to check the SYN cookie flag • Use “sysctl -w net.ipv4.tcp_syncookies=0” to turn off SYN cookie

  13. Reference • http://www.laurentconstantin.com/en/netw/ • http://128.230.209.204/netwox-doc_html/html/examples.html • http://www.faqs.org/rfcs/rfc826.html

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