You can prove a UDP port isn't open: you send out a packet and the operating system returns a suitable "unreachable" ICMP message.
Yeah, that's how non-microsoft ping (and/or traceroute) works, sorry I didn't mention that, I was assuming that it is firewalled for some reason, probably because their nmap output was saying that...
Power management, mobile and firmware developer on Linux. Security developer at Aurora. Ex-biologist. mjg59 on Twitter. Content here should not be interpreted as the opinion of my employer. Also on Mastodon.
![[personal profile]](https://www.dreamwidth.org/img/silk/identity/user.png){kind=small}
Re: Is a port scan good enough?
Date: 2017-05-02 09:40 pm (UTC)Yeah, that's how non-microsoft ping (and/or traceroute) works, sorry I didn't mention that, I was assuming that it is firewalled for some reason, probably because their nmap output was saying that...