On Thu, Dec 09, 2021 at 07:42:30PM +0000, Konstantin Orekhov via Dnsmasq-discuss wrote: > Hello there!
Welcome, > Just like described > in > https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2019q4/013650.html, > I also have a use case in Kubernetes where all containers are running > as non-root only thus making it impossible for me to start dnsmasq as > I get permission error: > dnsmasq: failed to create listening socket for port 69: Permission denied And what about DNS, port 53, and DHCP, port 67? > I just love single-port option in dnsmasq for TFTP Text from https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2019q4/013659.html |This is standard mode: |IP 172.17.0.2.42447 > 172.17.0.1.69: 22 RRQ "/some_file" netascii |IP 172.17.0.1.56457 > 172.17.0.2.42447: UDP, length 15 |IP 172.17.0.2.42447 > 172.17.0.1.56457: UDP, length 4 | |This is single port mode: |IP 172.17.0.2.56296 > 172.17.0.1.69: 22 RRQ "/some_file" netascii |IP 172.17.0.1.69 > 172.17.0.2.56296: 15 DATA block 1 |IP 172.17.0.2.56296 > 172.17.0.1.69: 4 ACK block 1 More text from that thread: ( https://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2019q4/013660.html ) |The TID in the tftp packets is supposed to match the port it's sending |on. This is how well-behaving tftp software can verify it's receiving |the correct packets. The single-port stuff breaks down when, e.g., |you're booting 1500 computers from a given tftpd. | |It's always easier to write new code than to learn the existing tools. |It's just not a sustainable practice, especially when you're violating |standards in the process. > and was wondering if custom port for it would be something that is > possible to add to a list of command line args/config. > If there's some other way to accomplish the same, please let me know > as I was not able to find it. Groeten Geert Stappers -- Silence is hard to parse _______________________________________________ Dnsmasq-discuss mailing list Dnsmasq-discuss@lists.thekelleys.org.uk https://lists.thekelleys.org.uk/cgi-bin/mailman/listinfo/dnsmasq-discuss
