OlliTheDarkness wrote: ↑Sun 23. Jan 2022, 13:08
Ich fang mal ganz klein an.
Die 4er Addr. in der FW gelandet, zB. wegen zu vieler fehlerhafter API Logins ?!
Wäre die erste und einfachste Annahme.
Stimmt, der Gedanke ist nicht verkehrt, aber sieht nicht so aus:
Code: Select all
(ssh) root@tector : ~
[2] # iptables -L
Chain INPUT (policy DROP)
target prot opt source destination
f2b-sshd tcp -- anywhere anywhere multiport dports ssh
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
DROP all -- anywhere anywhere state INVALID
DROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/NONE
DROP tcp -- anywhere anywhere tcp flags:FIN,SYN,RST,PSH,ACK,URG/FIN,SYN,RST,PSH,ACK,URG
DROP tcp -- anywhere anywhere tcp flags:!FIN,SYN,RST,ACK/SYN state NEW
DROP tcp -- anywhere anywhere tcp flags:FIN,SYN/FIN,SYN
DROP tcp -- anywhere anywhere tcp flags:SYN,RST/SYN,RST
DROP all -- 127.0.0.0/8 anywhere
ACCEPT all -- anywhere anywhere
ACCEPT tcp -- anywhere anywhere tcp dpt:ssh
ACCEPT tcp -- anywhere anywhere tcp dpt:domain
ACCEPT udp -- anywhere anywhere udp dpt:domain
ACCEPT tcp -- anywhere anywhere tcp dpt:http
ACCEPT tcp -- anywhere anywhere tcp dpt:https
ACCEPT tcp -- anywhere anywhere tcp dpt:pop3
ACCEPT tcp -- anywhere anywhere tcp dpt:pop3s
ACCEPT tcp -- anywhere anywhere tcp dpt:imap2
ACCEPT tcp -- anywhere anywhere tcp dpt:imaps
ACCEPT tcp -- anywhere anywhere tcp dpt:smtp
ACCEPT tcp -- anywhere anywhere tcp dpt:submission
DROP tcp -- anywhere anywhere tcp dpt:mysql
ACCEPT tcp -- anywhere anywhere tcp dpt:ftp-data
ACCEPT tcp -- anywhere anywhere tcp dpt:ftp
ACCEPT tcp -- anywhere anywhere tcp dpts:30000:30500
ACCEPT icmp -- anywhere anywhere icmptype 8 code 0
ACCEPT icmp -- anywhere anywhere icmp any limit: avg 10/sec burst 20
DROP icmp -- anywhere anywhere icmp any
Chain FORWARD (policy DROP)
target prot opt source destination
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
DROP all -- 127.0.0.0/8 anywhere
ACCEPT all -- anywhere anywhere
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
ACCEPT all -- anywhere anywhere state RELATED,ESTABLISHED
ACCEPT all -- anywhere anywhere
Chain f2b-sshd (1 references)
target prot opt source destination
REJECT all -- 218.92.0.200 anywhere reject-with icmp-port-unreachable
RETURN all -- anywhere anywhere
Der Server auf dem ich Entwickle hat die 176.9.165.128.
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