# ufw status | grep -i samba
Samba ALLOW 192.168.64.0/20
# sudo ufw app info Samba
Profile: Samba
Title: LanManager-like file and printer server for Unix
Description: The Samba software suite is a collection of programs that
implements the SMB/CIFS protocol for unix systems, allowing you to serve
files and printers to Windows, NT, OS/2 and DOS clients. This protocol is
sometimes also referred to as the LanManager or NetBIOS protocol.
Ports:
137,138/udp
139,445/tcp
# grep UFW.*SPT=137 /var/log/syslog | tail -n 5
2023-11-29T14:47:05.935411+01:00 psala-lx kernel: [197355.101935] [UFW
BLOCK] IN=enp5s0 OUT= MAC=c8:60:00:5a:05:2d:38:ca:84:38:6e:b1:08:00
SRC=192.168.70.78 DST=192.168.64.90 LEN=90 TOS=0x00 PREC=0x00 TTL=64
ID=30123 DF PROTO=UDP SPT=137 DPT=56517 LEN=70
2023-11-29T14:47:05.935433+01:00 psala-lx kernel: [197355.102151] [UFW
BLOCK] IN=enp5s0 OUT= MAC=c8:60:00:5a:05:2d:00:13:20:d9:95:66:08:00
SRC=192.168.72.230 DST=192.168.64.90 LEN=90 TOS=0x00 PREC=0x00 TTL=128
ID=1523 PROTO=UDP SPT=137 DPT=56517 LEN=70
2023-11-29T14:47:06.435385+01:00 psala-lx kernel: [197355.604213] [UFW
BLOCK] IN=enp5s0 OUT= MAC=c8:60:00:5a:05:2d:8e:37:e8:8a:56:18:08:00
SRC=192.168.64.2 DST=192.168.64.90 LEN=90 TOS=0x00 PREC=0x00 TTL=64
ID=9779 DF PROTO=UDP SPT=137 DPT=42617 LEN=70
2023-11-29T14:47:06.435400+01:00 psala-lx kernel: [197355.604509] [UFW
BLOCK] IN=enp5s0 OUT= MAC=c8:60:00:5a:05:2d:8e:37:e8:8a:56:18:08:00
SRC=192.168.64.2 DST=192.168.64.90 LEN=90 TOS=0x00 PREC=0x00 TTL=64
ID=9780 DF PROTO=UDP SPT=137 DPT=42617 LEN=70
2023-11-29T14:47:06.435401+01:00 psala-lx kernel: [197355.604869] [UFW
BLOCK] IN=enp5s0 OUT= MAC=c8:60:00:5a:05:2d:ca:8b:e7:d0:ac:ef:08:00
SRC=192.168.64.3 DST=192.168.64.90 LEN=96 TOS=0x00 PREC=0x00 TTL=64
ID=32884 DF PROTO=UDP SPT=137 DPT=42617 LEN=76