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Ping is one of the most useful network debugging tools available. The first ping
program was written by Mike Muuss in December 1983 for use on Unix machines. Muuss
named his program after the sonar sounds used for echolocation by submarines,
although some say ping stands for "Packet InterNet Grouper". Ping sends a small
packet of information containing an ICMP ECHO_REQUEST to a specified computer,
which then sends an ECHO_REPLY packet in return. The ping program then evaluates
this reply, and a report is shown. You can check several things with the ping
program: can you reach another computer, how long does it take to bounce a packet
off of another site (what is the distance), ... You can ping either a domain name,
or an IP address. Functionality to show domain names when using IP addresses is
supported. Even routing options are available, alas only 9 routes can be shown due
to the structure of the IP header (RFC 792). Why did I write my own ping program?
There are two main reasons: a) It wanted to know how the ping program worked. I
found it really intriguing and was very curious and b) There was a need for a
better ping program here at the lab where I work.
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FramePad is a network protocol analyzer and monitoring tool for Windows 98/NT/2000/XP. It allows you to examine data from a live network or from a capture file on disk. You can interactively browse the capture data, viewing summary and detail information for each packet.
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SoftPerfect Network Protocol Analyzer is an advanced, professional tool for analyzing, debugging, maintaining and monitoring local networks and Internet connections. It captures the data passing through your dial-up connection or network Ethernet card, analyzes this data and then represents it in an easily readable form. SoftPerfect Network Protocol Analyzer is a useful tool for network administrators, security specialists, network application developers and anyone who needs a comprehensive picture of the traffic passing through their network connection or segment of a local area network.
SoftPerfect Network Protocol Analyzer presents the results of its network analysis in a convenient and easily understandable format. It also allows you to defragment and reassemble network packets into streams. The program can easily analyze network traffic based on a number of different Internet protocols as listed below.
SoftPerfect Network Protocol Analyzer features full decoding of the following low level protocols: AH, ARP, ESP, ICMP, ICMPv6, IP, IPv6, IPX, LLC, MSG, REVARP, RIP, SAP, SER, SNAP, SPX, TCP and UDP. It also performs full reconstruction of top-level protocols such as HTTP, SMTP, POP, IMAP, FTP, TELNET and others.
The flexible system of fully configurable filters can be used to discard all network traffic except the specific traffic patterns you wish to analyze. SoftPerfect Network Protocol Analyzer also has a special packet builder. This tool allows you to build your own custom network packets and send them into the network. You could use this packet builder feature to check your network for robustness against attacks and intruders.
The software requires Windows 95/98/ME/NT/2000/XP. It also requires a network connection that could be a wireless connection or a modem that conforms to the NDIS standard.
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SoftPerfect Personal Firewall is a free network firewall designed to protect your PC against attacks from the Internet or via a local area network. SoftPerfect Personal Firewall offers customizable security using user-defined rules for packet filtering. It works at a low level and also allows you to create rules based on non-IP protocols such as ARP.
SoftPerfect Personal Firewall supports multiple network adapter configurations. This allows you to apply a rule, for example, for just a modem connection or you could apply separate rules for each system interface. With a flexible filtering system, trusted MAC address checking feature and separate network adapter configuration you can even use it on a router or a server.
SoftPerfect Personal Firewall has a learning mode, which prompts you for required actions when it detects an unknown packet. This helps you to create customized rules quickly. The program is easy to use, comes with a set of predefined rules and it is completely free. Additional features include password protection, logging and more.
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602LAN SUITE is an easy-to-install and manage all-in-one network software suite providing secure e-mail services with anti-virus & anti-spam, fax support, built-in firewall with NAT and proxy for controlled Internet sharing. Combine the content based Bayesian antispam filter, DNSBL, server and personal blacklists & whitelists together with e-mail attachment filtering to provide complete junk e-mail protection. The 5 user version is absolutely FREE!
The standards-based SSL SMTP/POP3 e-mail server provides secure encrypted communication. An integrated fax server provides unified access to faxes and e-mail. Any e-mail client with LDAP support can search the local 602LAN SUITE user list for quick intra-company communication. The integrated Web server provides access to the Web mail client, shared address book, remote administration and user home pages. SSL, ISAPI, CGI, and FastCGI support is also available. Secure your network with the built-in packet filter, and use the HTTP & SOCKS proxy with cache for monitored Internet sharing. Easily manage IP addresses with the included DHCP server.
New enhancements are text content based Bayesian anti-spam filter, global and user blacklists / whitelists, redesigned Web Mail Client with WAP support, network address translation (NAT), attachment filter, AutoUpdate and ActiveReports.
More users and built-in antivirus support can be purchased at an affordable price.
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EtherSnoop light is a free network sniffer, designed for capturing and analysis of the packets going through the network.It captures the data passing through your dial-up connection or network Ethernet card, analyzes the data and represents it in a readable form. EtherSnop light is a full configurable network analyzer program for Win32 environment. EtherSnop light sniffer presents the results of its work in a convenient and understandable format.
EtherSnoop Light Packet Sniffer has all of the standard features you would expect in a protocol analyzer, and several features not seen in any other product . With its powerful filter, you can customize what you need to capture and avoid those irrelevant packets from disturbing you.
EtherSnoop Packet Sniffer is a helpful tool for company manager, web page designers, concerned parents, LAN administrators, security professionals, programmers, or anyone who are interested in network traffic going through his PC or the whole LAN.
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AWSPS features a very comprehensive set of tools, some of them
unique, for in-depth assessment of Network Security:
* High-speed TCP Connect scanning engine, with adjustable maximum
number of simultaneously opened ports and no-connection time-out
adjustment.
* High-speed TCP Syn scanning engine for Windows 2000 platforms with
TCP/IP and ICMP packet capture, report on Open/Retransmits, Close,
Filtered ports, ICMP packet decoding and much more.
* Fast reliable UDP Port scanner with intelligent test probing of
ports to confirm whether the host is up.
* State-of-the-art NetBIOS scanner (AWSPS Professional only).
* Unique Mapping of Ports to applications feature (Ports Finder).
* Local Connections and Listening Ports instant report.
* Local TCP, UDP and ICMP statistics instant report.
* Local Active Routes, DNS Servers and Persistent Routes.
* Local IP Statistics/Settings instant report.
* Local Transport Protocols/Winsock Service Providers list and
details.
* Local Addressing information table.
* Local Net to media information table.
* Local Interfaces Statistics/Settings instant report.
* Local Network related Local Registry settings.
* Comprehensive Local Area Network information, including NetBIOS
Names, LANA, Shares, Security Information, Groups/Users and running
Services.
* The most complete TCP/UDP ports database.
* Full-featured Time synchronyzer according to SNTP (RFC 1769), TIME
TCP (RFC 868) and TIME UDP (RFC 868).
* Advanced easy-to-use NSLookUp.
* Ping with every conceivable feature, including LSRR and SSRR.
* Complete and easy-to-use Finger.
* Mail Abuse Blacklists client.
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LinkFerret is a versatile, easy to use, low cost, high performance Ethernet and 802.11 network monitor and packet sniffer. All of the essential wireless monitoring functionality, including signal monitoring, channel scannning, and WEP decryption, are supported. With one tool, the two most common network topologies can be thoroughly covered. No plug-ins or add-ons are required. LinkFerret provides the frame capture functionality that is typically found only in monitoring products many times its cost and it supports a variety of standard trace file and report formats that make it easy to capture, store and share network traffic data. LinkFerret is a simple yet powerful monitor built to fit the needs of the network administrator, protocol developer, and the security-minded individual.
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Capsa is a powerful but easy to use network monitor and analyzer designed for packet decoding and network diagnosing. With the abilities of real time monitoring and data analyzing, you can capture and decode network traffic transmitted over local host and local network. In addition to Packet Analysis Module, Capsa also has three advanced analysis modules: Email Analysis Module, Web Analysis Module and Transaction Analysis Module, which enable you to easily analyze and view detailed information of network activities.
Features
Real-time monitoring
Packets capture and analysis
Decoding packets
Friendly user interface
Email analysis module
Web accesses analysis module(New)
Transaction accesses analysis module
Customizable filter setting
Flexible display
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VisNetic Firewall is a stateful packet level firewall solution built to protect Windows-based Servers, telecommuters / mobile users, and LAN workstations not currently protected by a firewall. VisNetic Firewall is more secure than application-based personal firewalls, yet less expensive than high-end firewalls, providing peace-of-mind through comprehensive intrusion protection.
Security-conscious professionals running software and/or hardware Internet sharing solutions are as concerned about internal threats as they are about external threats. There is currently not a hardware firewall solution that protects companies against these threats and existing software firewall solutions are priced outside of the small to medium business market.
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