1. What ports are open when firewall is on and what ports are open when a firewall is off? Or how can I find out other than using netsat command? 2. What vulernabilities are your system exposed to when Port 49157 and 59787 are open?
Answer Question | November 27, 2012 11:26 AM
What are the reserved and dynamic ports ?
Answer Question | November 21, 2012 7:29 AM
Dynamic ports, Ports
I am setting up a Web SSL VPN for remote access across my WAN. Can someone explain why SSL VPNs use Port 443? Can I use any other port?
Answer Question | June 7, 2012 7:10 PM
Network security, Port 443, Ports, Remote access, SSL, Ssl vpn, VPN, WAN
Where can I get a list of commonly used port such as port 80?
Answer Question | September 2, 2011 8:39 PM
Networking, Port 80, Ports
Hi, I was wondering and hoping that anyone can answer my question. What medium and ports can be used for connecting a PC-to-PC? A PC to Switch connection? Switch to Switch connection? Switch to Router connection?
Answer Question | May 16, 2013 11:14 AM
Ports, Routers, Switches
We have a large enterprise network based primarily on Alcatel-Lucent switches that support QoS, and we are implementing video-conferencing based on Polycom equipment. Setting QoS on switch ports for Polycom appliances is not much of a problem, but we are about to roll out video conferencing software for use on staff PCs and laptops. How [...]
Answer Question | June 29, 2011 2:11 AM
802.1x, Alcatel-Lucent, enterprise networking, Enterprise networks, Network hardware, Networking, Polycom, Ports, Project management, QoS, Quality of Service, Switches, VoIP QoS
I ran Nmap 4.0 and GFI LANguard GFI LANguard Network Security Scanner (N.S.S.) on a Windows 2003 server and noticed that the FTP Port 21 is open but tcpwrapped. How do I check further if Port 21 is indeed open? I’ve checked the IIS6.0 and the Windows Add/ Remove program section there’s not FTP installed. [...]
Answer Question | February 25, 2009 6:17 PM
FTP, Network monitoring, Network security, Network security appliances, Networking, Nmap, Ports, Security scanner, tcpwrappers
How to add a hold queue and a print queue in XP. I’ve done this by configuring the LPR port in the port properties of the print queue. But for some strange reason I can’t remember the stesps now.
Answer Question | December 29, 2008 9:12 PM
LPR Port, Ports, Print Queue, Printing, TCP/IP, Windows XP
Anyone have a favorite tool they’ve used to implement port knocking or a similar stealth access scheme? (I have a few tools bookmarked, but would like to hear of first hand experiences.)
Answer Question | September 26, 2008 1:59 PM
Port knocking, Ports, security tools