1 Topic by SteveInAkron

  • SteveInAkron
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  • Registered: 2016-01-07
  • Posts: 57

Topic: Locked out/unresponsive

==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.9.2
- Linux/BSD distribution name and version: Ubuntu 14.04 LTS
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Nginx
- Manage mail accounts with iRedAdmin-Pro? Yes
- Related log if you're reporting an issue: Lock out
====

Suddenly today at 10AM EST, the iredmail server has stopped responding to SSH, and IMAP/SMTP. I can still log in through Roundcube and iRedAdmin though.

I reset the VM machine through vSphere, and it did not help any.

Any thoughts or tips are appreciated.

Steve

----

Spider Email Archiver: On-Premises, lightweight email archiving software developed by iRedMail team. Supports Amazon S3 compatible storage and custom branding.

2 Reply by SteveInAkron

  • SteveInAkron
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Re: Locked out/unresponsive

It appears that a security upgrade by the ISP is only allowing web and ping to the CoLo machines. I've opened a ticket with them, so hold off on the suggestions for a bit.

3 Reply by ZhangHuangbin

  • ZhangHuangbin
  • ZhangHuangbin
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  • Registered: 2009-05-06
  • Posts: 31,165

Re: Locked out/unresponsive

Seems blocked in iptables, triggered by Fail2ban. Does vSphere provide any way to login to server (via ssh or other ways)? check iptables rules first:

iptables -L -n

4 Reply by SteveInAkron

  • SteveInAkron
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Re: Locked out/unresponsive

Resolved.

It was an issue with the ISP.  Something to do with their Cisco switch. They had everything back by 1 PM EST.