Point-to-Point Protocol
The Point-to-Point Protocol is a link-layer protocol for networking between two network nodes.
Questions tagged [point-to-point-protocol]
86 questions
1
vote
1 answer
Set up multiple VPN's with a static ip with PPTP with only 1 vpn-login
I have a VPS with Ubuntu 12.04 x64 and i need to connect 118 VPN's to interfaces with (pon vpnname). I've made a script that creates them all, the problem is that no interface will have a unique local IP Address, i think it's because of the speed of…
William Assaad
- 11
- 2
1
vote
1 answer
Tshark/wireshark on an ephemeral interface
Our server hosts a VPN. Each connection to the VPN creates a new PPP interface (ppp0, ppp1, etc.) and the connections are ephemeral in the sense that the interface can go up or down intermittently.
What we need is a way to capture packets using…
Climax
- 123
- 5
1
vote
2 answers
The output of ifconfig for a Internet USB dongle
This question has been asked on the net before but the answers are simply not convincing or even accurate. I get the following output for ifconfig for the ppp0 device (of course, x, y, a, b are integers).
ppp0 Link encap:Point-to-Point Protocol
…
Sunny
- 381
- 1
- 6
- 16
1
vote
1 answer
PPP or Ethernet for fiber-optic link?
Since I have been doing a lot of IP camera jobs lately, it was only a matter of time that something really long-distance, more than can be covered with cat5e/cat6 cable, would come up. My current client needs to have a number of IP cameras installed…
dlyk1988
- 1,674
- 4
- 24
- 36
1
vote
1 answer
Routing all data through an VPN tunnel with ppp
I'm trying to create a VPN tunnel that forwards all data from the local machine to the VPN server.
I'm using ppp-2.4.5 for this with the following configuration:
pty "pptp --nolaunchpppd"
name
remotename…
Oliver
- 13
- 1
- 4
1
vote
1 answer
pppd PAM use and combining with CHAP/MSCHAP
Managed to successfully configure pppd to use PAM (/etc/pam.d/ppp) for authentication steps (used login option in addition to auth). However, this seems to work only for PAP (require pap, refuse chap).
When switching to require chap/mschap the PAM…
Alex
- 1,828
- 4
- 31
- 52
1
vote
1 answer
FVS336G PPP SNMP monitoring
Using SNMP to monitor a Netgear FVS336G, I can access all of the interfaces statistics except for PPP1. We have two PPP connections but SNMP only reveals:
ifDescr1 03 May 2011 08:52:16 "lo"
ifDescr2 03 May 2011 08:52:26 "eth0"
ifDescr3 …
Mark Henderson
- 68,823
- 31
- 180
- 259
1
vote
1 answer
Extract number of users connected to IPSsec/L2tpd server
We have a new corporate VPN server running Ipsec (Openswan) + xl2tpd + pppd. When a user connects, pppd runs the /etc/ppp/auth-up script which logs the time and username that has connected to /var/log/pppstats. However, on our older OpenVPN system…
Michelle
- 923
- 5
- 20
- 30
1
vote
1 answer
How to disable encryption for the remote vpn clients in PPTP?
I find there is one compress PPP packet in GRE packet, so how to get the PPP packet without
encryption and compression ? thanks
larry
- 4,037
- 9
- 36
- 42
1
vote
1 answer
How to get vpn pptp client ip in GRE packets?
I hava captured some packets for pptp client, but how to get the virtual ip of pptp client? thanks
larry
- 4,037
- 9
- 36
- 42
1
vote
2 answers
Requiring authentication for Internet access on an open network
If I have an open mesh wireless network (or, really, any open access network) and I want to keep the network open access: that is, anyone with the right hardware should be able to connect and talk to other computers on the network, but I want to…
singpolyma
- 489
- 2
- 7
- 19
1
vote
1 answer
Bind Poptop (PPTPD) to a specific interface
I have a poptop pptpd running on a server with 16 public IP's
I am getting clients to connect to (for example) eth1:8's IP (I also have pptpd set to listen on the address in /etc/pptpd.conf) the initial connection starts but the GRE packets start…
Geraint Jones
- 2,503
- 16
- 19
1
vote
2 answers
Connection failed using L2TP on Ubuntu 20
I am trying to establish a VPN connection but I am unable to do so. The issues points to PPP as can be seen in the log output below. However, I am not quite sure what I can make out of this:
/var/log/syslog
Jan 24 11:28:18 sfalk-pc…
Stefan Falk
- 121
- 1
- 6
1
vote
0 answers
routing ppp <-> wireguard interfaces
I want to connect via wireguard to a droplet that will be running openfortivpn for connecting to a 192.168.11.0/24 network. I have confirmed that only traffic to 192.168.11.* goes through fortivpn and everything else comes out of my droplet ip.
I…
mikeru
- 11
- 1
