0
votes
0answers
118 views

Connection fails after one packet, server is unreachable by some clients while reachable by others

I am clueless about this issue. I have a machnine with Windows 2003 Server R2. From time to time the following issue arises: The server is accessible from certain clients From other clients (on the ...
5
votes
2answers
1k views

Alternating low and high ping times on ADSL line

I have an ADSL connection at home. Pings times are usually acceptable right after rebooting the modem, between 15 and 60ms to google.com. A few minutes later they go up to 900ms or even higher up to 3 ...
2
votes
0answers
649 views

Firewall blocks ICMP even with Allow rules, even when disbled

Sometime early October (right after update Tuesday???). My Window 7 home machine stopped responding to anything incoming. Effectively breaking iTunes, Sonos, TiVo Desktop, RDP etc. But all those ...
1
vote
4answers
841 views

Network connection troubleshooting, unreliable ping

I am trying to troubleshoot a network connection. The connection is wireless, and for the most part works well. (Physical connection from computer to router, physical connection from router to ...
0
votes
1answer
305 views

Determining cause of TCP/IP connect issue

I need HTTPS access to the host ws.betaqxl.com, but connect fails: :: curl -k -v https://ws.betaqxl.com * About to connect() to ws.betaqxl.com port 443 (#0) * Trying 91.204.81.183... Timed out * ...
0
votes
3answers
2k views

Trying to diagnose network problem: ping 127.0.0.1 (or any address) results in error code 1

NIC seems to be working, as windows detects the hardware and has a driver and reports success. DHCP seems to have gotten an ip address, 192.168.1.101. I released and renewed it and it seemed to work ...
0
votes
1answer
132 views

Navigation problem with all browsers but ping message always has replies?

I had to fix a strange error on a remote computer using Windows Xp, the command ping www.google.com -t always has the replies, but navigating to www.google.com on Google Chrome, Mozilla Firefox, ...
1
vote
5answers
441 views

Mnemonic external IP

When diagnosing networking problems, I ping to: My local IP My gateway IP An external IP An external domain name Usually, when troubleshooting, the internet is unaccessible, then I need to ...