0
votes
0answers
52 views

PPTPD server on ubuntu 12.04.1 LTS not giving default gateway or forwarding windows client's packets

I recently bought a VPS, and wanted to set up a VPN with IP forwarding on it, both for resource sharing, and to DDoS protect a company’s windows VPS. I am not very experienced with networking on ...
1
vote
1answer
259 views

How can i create a point to point connection?

We have a measurement campaign in a field, until now we had the following network structure The distance was 400m between the two points so the most easy solution was to use a Wifi pont to point ...
1
vote
1answer
104 views

Is it insecure to use the following iptable rule for NAT?

I want to setup a VPN server for personal use, so I follow the blog article [1], and it work like a charm. The only thing I am wondering is if the iptable's rule secure, e.g. iptables -t nat -A ...
2
votes
2answers
761 views

Routing problems to certain domains with PPTPD VPN setup

We've been struggling with some kind of network/routing issue with a PPTPD based VPN where the clients can't access certain internet domains/ips through the VPN. As an example, the user can browse ...
0
votes
1answer
365 views

One way traffic PPTPD Server / No Internet Access

I just set up a pptp server on Debian Linux yesterday by following this guide: http://poptop.sourceforge.net/dox/debian-howto.phtml When I tried to connect to the server using both XP and iOS, the ...
0
votes
0answers
341 views

why should i set mss in iptables when using pptp?

I installed on pptp in my server. when i set mss is 1356, the packets will be lost 20% - 30% /sbin/iptables -I FORWARD -p tcp --syn -i ppp+ -j TCPMSS --set-mss 1356 when i set mss is 1186, the ...