Files
SnarfCode/scripts/persist_zabbix_nat.py

40 lines
2.5 KiB
Python

import paramiko
def apply_to_host(ip):
print(f"=== Applying to {ip} ===")
ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect(ip, username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
commands = [
"iptables -t nat -C PREROUTING -p tcp --dport 10051 -j DNAT --to-destination 140.44.4.64:10051 2>/dev/null || iptables -t nat -I PREROUTING 1 -p tcp --dport 10051 -j DNAT --to-destination 140.44.4.64:10051",
"iptables -t nat -C POSTROUTING -p tcp -d 140.44.4.64 --dport 10051 -j MASQUERADE 2>/dev/null || iptables -t nat -I POSTROUTING 1 -p tcp -d 140.44.4.64 --dport 10051 -j MASQUERADE",
"iptables -t nat -C OUTPUT -p tcp -d 140.44.4.70 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051 2>/dev/null || iptables -t nat -I OUTPUT 1 -p tcp -d 140.44.4.70 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051",
"iptables -t nat -C OUTPUT -p tcp -d 140.44.4.71 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051 2>/dev/null || iptables -t nat -I OUTPUT 2 -p tcp -d 140.44.4.71 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051",
"iptables -t nat -C OUTPUT -p tcp -d 140.44.4.72 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051 2>/dev/null || iptables -t nat -I OUTPUT 3 -p tcp -d 140.44.4.72 --dport 10051 -j DNAT --to-destination 140.44.4.64:10051",
"iptables -C FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT 2>/dev/null || iptables -I FORWARD 1 -m state --state RELATED,ESTABLISHED -j ACCEPT",
"iptables -C FORWARD -p tcp -d 140.44.4.64 --dport 10051 -j ACCEPT 2>/dev/null || iptables -I FORWARD 2 -p tcp -d 140.44.4.64 --dport 10051 -j ACCEPT",
"sysctl -w net.ipv4.ip_forward=1",
"which iptables-save"
]
for cmd in commands:
_, o, e = ssh.exec_command(cmd)
out = o.read().decode().strip()
if out:
print(f" {out}")
err = e.read().decode().strip()
if err:
print(f" [err] {err}")
# Check persistence package (iptables-persistent or netfilter-persistent)
stdin, stdout, stderr = ssh.exec_command("which netfilter-persistent || which iptables-save")
print(f" Persistence tool: {stdout.read().decode().strip()}")
stdin, stdout, stderr = ssh.exec_command("iptables-save > /etc/iptables/rules.v4 2>/dev/null || iptables-save > /etc/iptables.rules 2>/dev/null || true")
ssh.close()
apply_to_host("140.44.4.71")
apply_to_host("140.44.4.72")