← Port Encyclopedia
161

SNMP

UDP
Network Critical Risk
Simple Network Management Protocol — network device management, community string guessing

🔍 How to Scan Port 161

nmap -sV -p 161 target
nmap -sV -sC --script=banner -p 161 target
nc -zv target 161

🛡️ Security Considerations

  • Scan port 161 with nmap -sV to identify the exact service and version
  • If SNMP is not needed, close or firewall this port immediately
  • Check for default credentials if a management interface runs on this port
  • Use searchsploit snmp to find known exploits
  • Monitor traffic on port 161 with Wireshark or tcpdump for anomalies
  • Ensure the service is patched to the latest version to prevent known CVE exploitation

🔗 Related Network Ports

Port 67
DHCP-Server
Port 68
DHCP-Client
Port 162
SNMP-Trap
Port 179
BGP
Port 199
SMUX
Port 201
AppleTalk
Port 264
BGMP
Port 427
SLP
Port 520
RIP
Port 521
RIPng
Port 524
NCP
Port 646
LDP

📍 Nearby Ports

Port 156
Port-156
Port 157
Port-157
Port 158
Port-158
Port 159
Port-159
Port 160
Port-160
Port 162
SNMP-Trap
Port 163
Port-163
Port 164
Port-164
Port 165
Port-165
Port 166
Port-166
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