Registered · Cross-platform

7687 Neo4j Bolt

TCP Yes
UDP
SCTP
DCCP

What it is

Neo4j Bolt binary protocol.

When / why

Graph database client connections.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Not applicable for this transport.
SCTP Not applicable for this transport.
DCCP Not applicable for this transport.

Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

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Firewall rules for port 7687

Copy-ready inbound rules for the active transports. Replace every <source> placeholder with the specific host, subnet, or CIDR that should reach this port.

ufw

sudo ufw allow proto tcp from <source> to any port 7687

Allow TCP 7687 (Neo4j Bolt). Replace <source> with the network/host that should reach it.

firewalld

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="7687" protocol="tcp" accept'

Allow TCP 7687 (Neo4j Bolt) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 7687 accept

Allow TCP 7687 (Neo4j Bolt). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 7687 -j ACCEPT

Allow TCP 7687 (Neo4j Bolt). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-neo4jbolt-7687 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 7687

Inbound rule for 7687 (Neo4j Bolt). Set <source> to a CIDR; lower priority number = higher precedence.

AWS Security Group

aws ec2 authorize-security-group-ingress --group-id <sg-id> --ip-permissions IpProtocol=tcp,FromPort=7687,ToPort=7687,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 7687 (Neo4j Bolt). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-neo4jbolt-7687 --direction=INGRESS --action=ALLOW --rules=tcp:7687 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 7687 (Neo4j Bolt). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Neo4j Bolt 7687/TCP" dir=in action=allow protocol=TCP localport=7687 remoteip=<source>

Inbound TCP 7687 (Neo4j Bolt). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Neo4j Bolt 7687/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 7687 -RemoteAddress <source>

Inbound TCP 7687 (Neo4j Bolt). Replace <source> with a host or subnet.

Rules are generated only for transports marked active for this port. They default to an inbound allow with an explicit source placeholder — never any. Review direction, scope, and rule precedence before applying in production.