Screenshot: NetCat-Eingangs-IP-Adressen beschränken

20241106/nc-01.txt

+cassini/home/peter/bo/2024ws/dbs/20241106> nc -p 1234 -l
+Test
+:-)
+cassini/home/peter/bo/2024ws/dbs/20241106> nc -p 1234 -l
+Hallo?
+B-p
+cassini/home/peter/bo/2024ws/dbs/20241106> nc -p 1234 -l -s 127.0.0.1
+Test
+Jau.
+cassini/home/peter/bo/2024ws/dbs/20241106> nc -p 1234 -l -s 127.0.0.1
+
+cassini/home/peter> man nc
+cassini/home/peter> nc 127.0.0.1 1234
+Test
+Jau.
+^C
+cassini/home/peter> nc 10.128.29.177 1234
+(UNKNOWN) [10.128.29.177] 1234 (?) : Connection refused
+cassini/home/peter>