2
votes
1answer
52 views

Non-invasive way for our network team to run ping/tracert/etc from various servers

In troubleshooting connectivity issues, our network team lacks the rights on our servers (Windows and RHEL) to connect and test connectivity (for example, when tweaking a firewall rule, a ticket ...
0
votes
1answer
54 views

How to troubleshoot banned connections on OS X / Ubuntu

I have an ubuntu 11.10 VM running on an OSX machine. Every once in a while some services become inaccessible from specific IPs (e.g. sometimes just ssh is blocked, and sometimes both ssh and https.) ...
1
vote
1answer
160 views

Troubleshooting potential compromised server from Brute Force SSH Attack [duplicate]

Possible Duplicate: My server's been hacked EMERGENCY So I noticed some files/folders on my webserver and investigating leads the fact that a brute force attack via SSH was done on my ...
2
votes
2answers
2k views

SSH closes connection when key is accepted

In server's auth.log: Failed publickey for agladysh from MYIP port 61313 ssh2 In ssh -vvv: debug1: Offering public key: /Users/agladysh/.ssh/id_rsa debug3: send_pubkey_test debug2: we sent a ...
2
votes
2answers
236 views

my ssh sessions are randomly killed on Debian

I have a Debian 6.0.1 vanilla install, and I use PUTTY to ssh into it. I will usually have 3 or 4 PUTTY login shells running at the same time. What I'll find is that if I leave my computer for a ...
0
votes
1answer
589 views

Troubleshooting why my SSH sessions hang for a couple of seconds

I'm logged in to my development box via SSH (using PuTTY on my laptop) and periodically, the session would just hang for a couple of seconds then becomes responsive again. I have not been able to ...