Re: [opensuse] How to find list of hosts on local subnet?



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On Friday, 2010-12-03 at 09:40 -0500, Adam Tauno Williams wrote:


For a nice GUI solution install the avahi-utils-gtk package and run
"/usr/bin/avahi-discover-standalone". This works very well on home
networks where things like printers, DVRs, TiVOs, etc... almost always
will show up.

I see nothing.
What I see is blocked packages in the firewall:


Dec 4 01:19:13 Telcontar kernel: [1140797.184192] SFW2-INext-DROP-DEFLT IN=eth0 OUT= MAC=00:21:85:16:2d:0b:00:01:02:03:04:05:08:00 SRC=192.168.1.2 DST=192.168.1.14 LEN=84 TOS=0x00 PREC=0x00 TTL=64 ID=4981 PROTO=ICMP TYPE=0 CODE=0 ID=65380 SEQ=1

Dec 4 01:24:29 Telcontar kernel: [1141112.903595] SFW2-INext-DROP-DEFLT IN=eth0 OUT= MAC= SRC=fe80:0000:... DST=ff02:0000:0000:...
LEN=94 TC=0 HOPLIMIT=255 FLOWLBL=0 PROTO=UDP SPT=5353 DPT=5353 LEN=54


It is this port:

mdns 5353/tcp # Multicast DNS


Should I open it? [...] Indeed, after I open it I see a few things in "avahi-discover-standalone". The printer twice (ipv6), and my computer, three times (ipv4, workstation, sftp, ssh). My laptop, the DTV and the router, do not appear.

It lists open ports as one entry per machine, it seems.

- -- Cheers,
Carlos E. R.
(from 11.2 x86_64 "Emerald" at Telcontar)
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