Questions tagged [ipfw]

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7 questions with no upvoted or accepted answers
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1answer
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IPFW Port Forwarding

This is my situation: I want to connect to an OpenVPN server from my office (we're using a proxy, only ports 80 and 443 are allowed). Server IP address is: 176.31.250.232:843 My static IP address is:...
2
votes
1answer
138 views

History of programmatic interfaces to iptables, ipchains, and ipfw

I had to do some fiddling with iptables rules from Go recently, and I noticed both docker's and coreos's wrapper libraries exec() out to the iptables command and screen scrape the standard output. ...
2
votes
0answers
135 views

Setting up openvpn with a killswitch in a freebsd jail

I'm trying to setup a kill switch so that if OpenVPN becomes inactive all other connections will be blocked. I tried to adapt this Linux set up, but it doesn't seem to work on FreeBSD. This is my ...
2
votes
0answers
54 views

ipfw dummynet per ip fair traffic shaping

I want to shape traffic in such way, that no specific user could exhaust WAN connection that much so other users would be affected. I have ISP link with 100Mbits/s bandwidth and sometimes some users ...
1
vote
0answers
4k views

Installing Dummynet on Linux Ubuntu

I'm new to Ubuntu and I'm trying to install dummynet. I cannot however find a tutorial for Ubuntu. I've tried to follow this tutorial http://goo.gl/ZzKrpk however I get an error when making a kernel ...
0
votes
0answers
28 views

How to use Webmin's BSD Firewall module on a DigitalOcean VPS?

I am running FreeBSD 12.1 on a DigitalOcean VPS (a "droplet") and want to use ipfw. The firewall itself seems to work, but Webmin's BSD Firewall module gives me the following error (Webmin ...
0
votes
1answer
485 views

No buffer space available when using Dummynet in FreeBSD 9.3

As soon as the Dummynet Kernel module is loaded and the appropriate ipfw add pipe 1 from localhost to localhost command is issued, I can no longer ping localhost — I receive the ping: sendto: No ...