Port 8116Check Point CCP

Check Point Cluster Control Protocol (CCP) is a proprietary communication protocol used in Check Point firewall clusters. It facilitates the synchronization of state, status updates, and health information among all nodes within a cluster, enabling efficient failover and load balancing in clustered environments..

transport
udp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
5,344

rank 893 of 993 · top 90%

Technical Details

what runs on :8116

Check Point Cluster Control Protocol (CCP) operates primarily over UDP port 8116 to maintain high availability across Check Point firewall clusters. It manages communication between cluster members by exchanging synchronization packets that contain state and configuration information, ensuring consistent traffic handling.

CCP operates in both 'broadcast' and 'unicast' modes. In broadcast mode, messages are sent to all members simultaneously, while unicast targets a specific cluster member. During normal operations, periodic heartbeat packets and synchronization messages allow cluster nodes to detect failure and elect a new master if necessary. This seamless communication mechanism enhances the resilience of security gateways without disrupting ongoing sessions.

Because it is a proprietary protocol, CCP details are closely tied to Check Point's clustering mechanisms such as ClusterXL or VSX. Proper function depends on correct configuration of network and firewall rules to allow UDP 8116, and on keeping cluster members synchronized in terms of policy and state.

Security Information

exposure of :8116

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

security averages 3.8 across 216 ports — this one sits 0.2 above.

in transit

cleartext

credentials and payloads are readable by anyone on path

assignment

unofficial

used by convention, not registered — what answers here varies by deployment

reachable over

udp

udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite

security overview

Common vulnerabilities associated with CCP arise mainly from misconfiguration or insufficient segmentation:

  • Unauthorized access if traffic to UDP port 8116 is not properly restricted
  • Exposure to spoofing or replay attacks during cluster status exchanges, potentially leading to incorrect failover or poisoned cluster state
  • Interference by malicious actors abusing open cluster communication channels

Mitigations include:

  • Filtering UDP 8116 traffic so only trusted cluster member IPs can communicate
  • Segmenting cluster sync traffic onto isolated VLANs or separate management networks
  • Implementing Check Point recommended security practices such as IPS protections and inspection policies for management interfaces
  • Updating cluster software regularly to patch known vulnerabilities associated with its internal protocols

the 8 most looked-up other ports in security — 216 ports carry that label.

risk mix of the 8 listed

  • caution100%

3 of 8 encrypted