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How to connect the Mail Server running on Guest OS of VMWare

This is a discussion on How to connect the Mail Server running on Guest OS of VMWare within the Mail Servers forums, part of the Mastering Servers category; Hi folks, Ubuntu 7.04 server amd64 (Host OS) CentOS 5 x86_64 (Guest OS) VMWare Server CentOS 5, inet addr - ...


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  #1 (permalink)  
Old 01-11-2008, 06:41 PM
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Default How to connect the Mail Server running on Guest OS of VMWare
Hi folks,


Ubuntu 7.04 server amd64 (Host OS)
CentOS 5 x86_64 (Guest OS)
VMWare Server
CentOS 5, inet addr -


I have only one fixed IP alloted by ISP and one domain. They are used by Ubuntu. How can I connect the Mail Server/Web server running on CentOS 5? TIA


Edit:

Network connection;

Server -> Router -> DSL Modem -> Internet

The router is on loan from ISP. They use it as gateway. I can't touch it.

Intranet IP address (router ip addr)
Ubuntu - 192.168.0.10
CentOS - 172.16.103.128 ( found with ifconfig)

Only one NIC on the PC


B.R.
satimis
Last edited by satimis; 01-11-2008 at 08:15 PM.
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Old 01-11-2008, 10:52 PM
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You can't until and unless router is pre configured for port forwarding. Most ISP allows to modify ISP setting even if it is on loan. Tell them you need port forwarding. What is the use of internet if it is not supporting port forwarding?
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Old 01-12-2008, 06:44 PM
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Quote:
Originally Posted by rockdalinux View Post
You can't until and unless router is pre configured for port forwarding. Most ISP allows to modify ISP setting even if it is on loan. Tell them you need port forwarding. What is the use of internet if it is not supporting port forwarding?
Sorry I'm not clear of the term "port forwarding" on router. Please advise and how can I check it. Ports 25, 80, 443, etc. are open.

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Old 01-14-2008, 09:49 AM
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Hi rockdalinux


Performed following test w/o success

1)
On Ubuntu

connect CentOS
$ ssh 172.16.103.128
satimis@172.16.103.128's password:
$ su -
Password:

# ifconfig
Code:
eth0      Link encap:Ethernet  HWaddr 00:0C:29:1D:65:AD  
          inet addr:172.16.103.128  Bcast:172.16.103.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fe1d:65ad/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:83 errors:0 dropped:0 overruns:0 frame:0
          TX packets:107 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:10046 (9.8 KiB)  TX bytes:16808 (16.4 KiB)
          Base address:0x1070 Memory:ec820000-ec840000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)
# ifconfig eth0:0 192.168.0.20
No complaint

# ifconfig
Code:
eth0      Link encap:Ethernet  HWaddr 00:0C:29:1D:65:AD  
          inet addr:172.16.103.128  Bcast:172.16.103.255  Mask:255.255.255.0
          inet6 addr: fe80::20c:29ff:fe1d:65ad/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:469 errors:0 dropped:0 overruns:0 frame:0
          TX packets:447 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:256458 (250.4 KiB)  TX bytes:70495 (68.8 KiB)
          Base address:0x1070 Memory:ec820000-ec840000 

eth0:0    Link encap:Ethernet  HWaddr 00:0C:29:1D:65:AD  
          inet addr:192.168.0.20  Bcast:192.168.0.255  Mask:255.255.255.0
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          Base address:0x1070 Memory:ec820000-ec840000 

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:8 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:560 (560.0 b)  TX bytes:560 (560.0 b)
# /etc/init.d/network restart
Code:
Shutting down interface eth0:                              [  OK  ]
Shutting down loopback interface:                          [  OK  ]
Bringing up loopback interface:                            [  OK  ]
Bringing up interface eth0:  
Determining IP information for eth0... done.
                                                           [  OK  ]
# /etc/init.d/httpd start
Code:
Starting httpd:                                            [  OK  ]
Called IP requesting to make following change;

forward port 8080 to IP addr 192.168.0.20


On Ubuntu
$ sudo /etc/init.d/apache2 stop
Code:
 * Stopping web server (apache2)...                                      [ OK ]
On Firefox;
running:-
http://www.satimis.com
http://www.satimis.com:8080 (just hanging)
http://www.satimis.com/8080

https://www.satimis.com
https://www.satimis.com:8080 (just hanging)
https://www.satimis.com/8080

All failed.


2)
On CentOS Firefox running;
localhost

start
Code:
Apache 2 Test Page
powered by CentOS
Any advice? TIA


B.R.
satimis
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Old 01-14-2008, 04:52 PM
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You need to open router web based interface (or run telnet on router). Provide admin user/password. Find out port forwading. Enable it for internal IP.
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Old 01-29-2008, 03:36 PM
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Quote:
Originally Posted by rockdalinux View Post
You need to open router web based interface (or run telnet on router). Provide admin user/password. Find out port forwading. Enable it for internal IP.
Hi rockdalinux,


Could you please provide more details. TIA


The router is provided by ISP with password locked. I can't touch it.

Connection;
Mail Server --> router --> DSL Modem


Port 8080 is forward to 192.168.0.20, CentOS IP addr. I made such a request to ISP and reconfirmed it afterwards.


On Ubuntu and other PC on the same network, I can ping;
192.168.0.20 (CentOS IP addr)
ssh 192.168.0.20 (connected)


On CentOS I can ping;
192.168.0.10 (Ubuntu IP addr)
192.168.0.1 (router IP/gateway)


But on Ubuntu and PC on another network, I can't https/http : public_IP:8080


What did you mean "web base interface"? Can I request ISP to do something?


TIA


B.R.
satimis
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