Mailinglist Archive: opensuse (3566 mails)
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Re: [opensuse] Server cannot connect to itself
- From: "G.T.Smith" <grahamsmith@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Mon, 23 Apr 2007 23:05:18 +0100
- Message-id: <462D2D9E.5050600@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Drew Burchett wrote:
> I have two servers running on identical hardware. They are both running
> Suse Linux 10.1. One is running Bind 9.3.2 and the other is running
> Apache 2.1 and MySQL 5.0. Today when I came in, the servers had been
> restarted and the network interfaces did not come up (I'm pretty sure it
> was a power outage over the weekend). I shut the machines down and
> started them back up and everything seemed to come back up and run
> correctly. I can access Bind, Apache and Mysql from remote machines and
> everything works perfectly. However, when I attempt to access one of
> these services from the machine that it resides on using its IP address,
> it will not respond. I can access mysql locally by connecting to
> localhost rather than the machine's IP address (no, that isn't a
> permissions issue, I've thoroughly checked that). Bind and apache did
> not bind to 127.0.0.1, so I can't say if it works the same way or not.
> If I perform netstat -aln on one of the machines, it shows that all the
> proper ports are bound. One thing that I did notice that seemed rather
> odd was that when I attempted to connect to mysql via IP address and did
> a netstat -aln at the same time, it showed the connection with a status
> of SYN_SENT. The status never changed until the connection broke.
>
> I have not installed any updates or patches to any of these machines in
> several months, so I can't imagine what has happened. I also have two
> other identical machines, one running MailScanner and another running
> Bind that are working correctly. They are accepting connections from
> themselves without any problem.
>
> Can anyone give me any idea where to start troubleshooting this?
>
> Drew Burchett
> United Systems & Software
> Ph: (270)527-3293
> Fax: (270)527-3132
>
>
>
> --
> CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.
>
>
Umm... have you looked at the logs for errors... what kind of power
outage? ... I have had NICs and routers fried by a power spike... this
looks like fried hardware to me.... are they behind a UPS... if not why
not ...
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> I have two servers running on identical hardware. They are both running
> Suse Linux 10.1. One is running Bind 9.3.2 and the other is running
> Apache 2.1 and MySQL 5.0. Today when I came in, the servers had been
> restarted and the network interfaces did not come up (I'm pretty sure it
> was a power outage over the weekend). I shut the machines down and
> started them back up and everything seemed to come back up and run
> correctly. I can access Bind, Apache and Mysql from remote machines and
> everything works perfectly. However, when I attempt to access one of
> these services from the machine that it resides on using its IP address,
> it will not respond. I can access mysql locally by connecting to
> localhost rather than the machine's IP address (no, that isn't a
> permissions issue, I've thoroughly checked that). Bind and apache did
> not bind to 127.0.0.1, so I can't say if it works the same way or not.
> If I perform netstat -aln on one of the machines, it shows that all the
> proper ports are bound. One thing that I did notice that seemed rather
> odd was that when I attempted to connect to mysql via IP address and did
> a netstat -aln at the same time, it showed the connection with a status
> of SYN_SENT. The status never changed until the connection broke.
>
> I have not installed any updates or patches to any of these machines in
> several months, so I can't imagine what has happened. I also have two
> other identical machines, one running MailScanner and another running
> Bind that are working correctly. They are accepting connections from
> themselves without any problem.
>
> Can anyone give me any idea where to start troubleshooting this?
>
> Drew Burchett
> United Systems & Software
> Ph: (270)527-3293
> Fax: (270)527-3132
>
>
>
> --
> CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, is for the sole use of the intended recipient(s) and may contain confidential and privileged information. Any unauthorized review, use, disclosure or distribution is prohibited. If you are not the intended recipient, please contact the sender by reply e-mail and destroy all copies of the original message.
>
>
Umm... have you looked at the logs for errors... what kind of power
outage? ... I have had NICs and routers fried by a power spike... this
looks like fried hardware to me.... are they behind a UPS... if not why
not ...
--
To unsubscribe, e-mail: opensuse+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse+help@xxxxxxxxxxxx
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