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Full Discussion: Port Forward to VPN client.
Operating Systems Linux Red Hat Port Forward to VPN client. Post 303044172 by stinkefisch on Sunday 16th of February 2020 05:49:21 AM
Old 02-16-2020
Port Forward to VPN client.

Hi all,

I can't port forward from WAN to VPN Client. VPN Client Ubuntu 18 192.168.0.16 Port 6000

VPN Gateway for LAN clients Centos 192.168.0.12
Router 192.168.0.1

I can forward to the VPN Client if VPN is not connected if I forward Port 6000 from 192.168.0.1 directly to 192.168.0.16.
While it's connected to VPN it is not working, so I have tried to add to following rule on the VPN Gateway 192.168.0.12 and forward from 192.168.0.1 to 192.168.0.12

Code:
sysctl -w net.ipv4.ip_forward=1
iptables -t nat -A PREROUTING -d 192.168.0.12 -p tcp --dport 6000 -j DNAT --to-dest 192.168.0.16:6000
iptables -t nat -A POSTROUTING -d 192.168.0.12 -p tcp --dport 6000 -j SNAT --to-source 192.168.0.16

It's not working
Could someone please advise ?

Moderator's Comments:
Mod Comment Please do wrap your codes and samples in CODE TAGS as per forum rules.

Last edited by RavinderSingh13; 02-16-2020 at 07:04 AM..
 

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PRIPS(1)						    BSD General Commands Manual 						  PRIPS(1)

NAME
prips -- print the IP addresses in a given range SYNOPSIS
prips [-c] [-d delim] [-e exclude] [-f format] [-i incr] start end prips [-c] [-d delim] [-e exclude] [-f format] [-i incr] CIDR-block prips -h DESCRIPTION
The prips tool can be used to print all of the IP addresses in a given range. It can enhance tools that only work on one host at a time, e.g. whois(1). The prips tool accepts the following command-line options: -c Print the range in CIDR notation. -d delim Set the delimiter to the character with ASCII code delim where 0 <= delim <= 255. -e <x.x.x,x.x> Exclude ranges from the output. -f format Set the format of addresses (hex, dec, or dot). -h Show summary of options. -i incr Set the increment to 'x'. ENVIRONMENT
The prips tool's operation is not influenced by any environment variables. FILES
The prips tool's operation is not influenced by any files. EXAMPLES
Display all the addresses in a reserved subnet: prips 192.168.32.0 192.168.32.255 The same, using CIDR notation: prips 192.168.32/24 Display only the usable addresses in a class A reserved subnet using a space instead of a newline for a delimiter: prips -d 32 10.0.0.1 10.255.255.255 Display every fourth address in a weird block: prips -i 4 192.168.32.7 192.168.33.5 Determine the smallest CIDR block containing two addresses: prips -c 192.168.32.5 192.168.32.11 DIAGNOSTICS
The prips utility exits 0 on success, and >0 if an error occurs. SEE ALSO
ipsc(1), gipsc(1) STANDARDS
No standards were harmed in the writing of the prips tool. HISTORY
The prips tool was originally written by Daniel Kelly and later adopted by Peter Pentchev. This manual page was originally written by Juan Alvarez for the Debian GNU/Linux system and later added to the prips distribution and converted to mdoc format by Peter Pentchev. AUTHORS
Daniel Kelly <dan@vertekcorp.com> Juan Alvarez <jalvarez@fluidsignal.com> Peter Pentchev <roam@ringlet.net> BUGS
Please report any bugs in the prips tool to its current maintainer, Peter Pentchev. BSD
March 1, 2011 BSD
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