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- AUTAPF Port Forwarder (exe)
- Provides easy-to-use, quick-to-configure UDP and TCP Windows-based port-forwarding. AUTAPF is stand-alone and does not require any underlying components, for the port forwarding is done within the program itself. UDP and TCP means that you can forward multi-player games and Web-servers with the same program, at the same time. Define IP...
- Software downloads 2008-05-04
- NetworkActiv PortImport (exe)
- This reverse port forwarding tunnelling tool allows you to access ports on computers behind firewalls, gateways, and inconfigurable routers a two-component system that only requires a single TCP session initiated from the inaccessible computer. Once that session is established, you can forward as many ports as you like and then...
- Software downloads 2008-01-21
- Pscan (bin)
- Pscan is a utility that can: scan a list of ports, a range of ports of a combination of both, it will do a simple tcp-connect and shows if the port is open or closed. Pscan runs under Windows at the command line. Version 1.03 added multithreading pthreads and scanning...
- Software downloads 2007-07-20
- TCPing (zip)
- Spetnik TCPing "pings" a server on a specific port using TCP/IP by opening and closing a connection on the specified port. Results are returned in a similar fashion to that of Microsoft Windows Ping. This application is intended for use in testing for open ports on remote machines, or as...
- Software downloads 2007-12-18
- BaUPnP (exe)
- Many network programs require that one configure port forwarding in the router. Setting port forwarding in the router for your server application can be a challenge. Fortunately, most routers support a standard called Universal Plug and Play UPnP. BaUPnP is a free tool that automates the process. The tool, by...
- Software downloads 2007-11-23
- Lock down Cisco switch port security
- A growing challenge facing network administrators is determining how to control who can access the organization's internal network -- and who can't. For example, can anyone walk into your office, plug in a laptop, and access your network? You might argue that the wall jack has no connection to a...
- Blog posts 2007-10-11
- Use the Fire.rb library to write port knocking scripts in Ruby
- Those of us who have been involved in network security professionally for a while should know something about port knocking. For those of you who aren't familiar with it, port knocking is a means of providing an extra layer of security via your firewall. The better firewalls are able to...
- Blog posts 2007-09-22
- Achieve seamless socket programming in Java
- Programming client and server applications in Java is easier than doing it in other languages, such as C. Get a first-hand look at how the java.net package provides a powerful and flexible infrastructure for network programming. One main reason why the Java platform is successful is because networking...
- Technical articles 2007-05-09
- How do I... Speed up the switch port initialization process?
- When connecting a PC to a Cisco switch, it may sometimes take 30 seconds or more before the PC can communicate on the network. But with a few simple steps, you can shave off 30 seconds or more. In this Cisco Routers and Switches article, David Davis tells you how....
- Technical articles 2006-11-28
- Lock down Cisco switch port security
- One way to boost network security is to use Cisco's Port Security feature to lock down switch ports. In this edition of Cisco Routers and Switches, David Davis introduces you to the basics of port security, tells you how to configure this feature, and explains how to view its status....
- Technical articles 2006-10-05
- Cisco administration 101: Five interface commands you should know
- Whether you're a seasoned admin or a newbie, it's always a good idea to review from time to time. When working with routers and switches, you usually don't have to configure an interface using the Cisco IOS every day, and it's easy to become a little rusty on the necessary...
- Technical articles 2006-08-10
- Forwarding port with pix501 from outside ip
- Ok, I have a VPN and am able to connect to our outside computers via PCAnywhere through the internal IP's. Now, I want to be able to connect from a computer outside our VPN. We are using a Cisco Pix501(192.168.3.1), actiontec GT701(xxx.xxx.xxx.158) for DSL modem. I have...
- Discussion threads 2007-01-26
- Monitor special ports
- Could it monitor special ports? for example, port 80?
- Discussion threads 2006-12-24
- How to open or configure port 25/exchange
- I have opened port 25 on my linksys router: on the app and gamming page. But I cannot get through. I am testing with telnet. Does this mean that my smtp is not setup correctly on my exchange server? Where can i check?not necessarilyif you open po
- Discussion threads 2006-11-28
- Explore open ports in your Windows 2000 Server
- Ports are essential to the communication of your server and network. But open the wrong port at the wrong time and you may be jeopardizing network security. Here's how to monitor Windows 2000 Server's open ports and reduce your risk. The terms "server" and "network" go hand-in-hand. Without a...
- Technical articles 2006-03-06
- Port 80 in already in use
- Hi,I have been given the delightful task to monitor and support an online/offline training program for staff.The program uses local web server technology to enable students to access the asp pages used.It advises students to close all messe
- Discussion threads 2006-11-14
- Install a printer on a specific USB port
- I'm trying to install a printer on a specific USB port.We have a labeling application called Codesoft. It requires each label have a printer port specified in the individual label file. (No, that's not how I'd do it either.) We have several hund
- Discussion threads 2006-11-03
- Identify open ports with netstat in Windows 2000 Pro
- You can use the netstat program that comes with Windows to identify which ports are open on a system and identify current connections. Here's how. Want more Win2K tips and tricks? Automatically sign up for our free Windows 2000 Professional newsletter, delivered each Tuesday!Network security is a...
- Technical articles 2005-04-06
- I cant get my port to open! Please Help!
- I have just installed a new antivirus suite for my windows 2003 domain controlled network. This software requires port 9959 to be open on both the server and the clients. The windows firewall by default disables all ports. I have setup an exception in the windows firewall to allow this...
- Discussion threads 2006-02-08
- Tech Tip: Query a Win2K system's ports/Examine DNS zone properties
- Learn how to query a system's ports and examine DNS zone properties. Windows 2000 Professional: Query a system's ports with Portqry.exe When you're tracking down a problem with SMTP, FTP, WWW, or...
- Technical articles 2004-08-02
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