Re: Apache2 troubleshooting - newbie

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Hi Richard,

 > http://192.168.2.109/p/index.plᅠdoes not work

>If it's from a machine on the .1 network, the issue is that you've
segmented your network and probably need to change the netmask on
some machines (and perhaps a router) so that they can see both
segments not just the one they are on.

The MariaDB and Apache with perl scripts are  (192.168.2.109) - I issued a http://192.168.2.109/p/index.pl
in a browser from pc in the SAME LAN i.e. my pc has IP  192.168.2.102 

 > My local ipᅠhttp://127.0.0.1/p/index,pl ... works fine.

127.0.0.1 is "localhost", i.e., the machine you are on. So it sounds
like you are on the mariadb machine connecting back to itself.

I think you misunderstood me. I used a browser from a PC ip 192.168.2.109 and hence in this case perl code exists in my local pc 192.168.2.109 but this perl code connects to MariaDB in 192.168.2.109 


On Wednesday, March 17, 2021, 02:44:12 PM EDT, Richard <lists-apache@xxxxxxxxxxxxxxxxxxxxx> wrote:




> Date: Wednesday, March 17, 2021 17:03:51 +0000
> From: S K <inagar68@xxxxxxxxx.INVALID>
>
> Hi, this is my scenario (everything is within my LAN):
>
> BEFORE
> I have my MariaDB in machine 192.168.1.209; I access the MariaDB
> using windows client DBeaver and works fine. I had a working ubuntu
> machine 192.168.1.209 and my Perl scripts could be executed in my
> local windows browser (192.168.1.xxx)
> as http://192.168.1.209/p/index.pl I also have windows pc clone of
> p folder in c:/inetpub/wwwroot/p and works fine in
> browser http://127.0.0.1/p/index,pl (my local ip connects to
> MariaDB in 192.168.1.209)
>
> Change DoneI did a LAN-to-WAN to hide all my private info (pc,
> servers etc) from IoT.
>
> One of the Router 1 (192.168.1.1) LAN is connected to Router's 2
> WAN (192.168.2.1). All my IOT's are connected to Router 1 and
> private PC's, servers etc is connected to Router 2.
>
> AFTER
> Now the IP of the MariaDB & Apache Server machine has changed from
> 192.168.1.209 TO 192.168.2.109. It is still within my LAN.
>
> I  pointed my DBeaver to new IP and my mariadb connects fine.
> My local ip http://127.0.0.1/p/index,pl (mariadb pointing to new
> ip 192.168.2.109)  works fine.
> However http://192.168.2.109/p/index.pl does not work and I get a
> message as follows in the browser:
>
> This site can’t be reached
>
> 192.168.2.109 took too long to respond.
>
> Try:
>   
>    - Checking the connection
>    - Checking the proxy and the firewall
>    - Running Windows Network Diagnostics
> ERR_CONNECTION_TIMED_OUT
> Please note that perl is working fine in 192.168.2.109 (no issues)
> From a newbie perspective this something to do with networking or
> apache2 or both. Not sure, can experts point me how I go about
> troubleshooting. Thanks muchvsk

This sounds like a networking issue, rather than anything specific to
httpd/apache.

I can't tell from your description where (which network .1 or .2) you
are trying to connect from when you say:

  > http://192.168.2.109/p/index.plᅠdoes not work

If it's from a machine on the .1 network, the issue is that you've
segmented your network and probably need to change the netmask on
some machines (and perhaps a router) so that they can see both
segments not just the one they are on.

You can use the netmask calculator at:

  <https://www.tunnelsup.com/subnet-calculator/>

to get a sense of what you need to do. You likely need to change your
netmasks from 255.255.255.0 to 255.255.252.0.

By the way:

  > My local ipᅠhttp://127.0.0.1/p/index,pl ... works fine.

127.0.0.1 is "localhost", i.e., the machine you are on. So it sounds
like you are on the mariadb machine connecting back to itself.



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