networking - Can't access port 7474 across Rackspace cloud servers -


i've setup neo4j on port 7474 on rackspace cloud server. want access server rackspace cloud server (appserver) connection refused.

i've tried enabling access appserver port 7474 on neo4j server using ufw:

sudo ufw allow 22.234.298.297 port 7474

i can see rule when run 'ufw staus' doesn't seem make difference when try connect appserver. can ssh between these 2 servers.

how open port 7474 between cloud servers on rackspace?

(my apologies basic question rackspace support not helping , cant find rackspace specific information on this)

glad, solve problem (see comments on question).

it happens neo4j accepts connections localhost per default. when trying gain access neo4j via rest api app server within same network, 1 has configure neo4j server open up.

the neo4j-server.properties configuration file has configuration key org.neo4j.server.webserver.address. have couple of options here.

  1. grant app servers in same local network consume neo4j rest api
  2. grant access , let firewall handle it

for first case, use local ip address of machine neo4j running. let's machines connected via private class c network. machine neo4j has ip 192.168.1.4 - that's ip want enter value in org.neo4j.server.webserver.address, app server running in same network maybe ip of 192.168.1.5 can make network requests being answered neo4j web server.

for second case, enter 0.0.0.0 value org.neo4j.server.webserver.address denote want accept connections on available ip addresses on machine. in case want set firewall handle permissions can talk server , doesn't - authentication enabled.

extra in production environment requires high availability, 1 can use neo4j's enterprise edition high availability cluster in master-slave setting. i've used in 1 master , 2 slaves. configured neo4j servers can accessed proxy server routes writing cypher queries master, , reading queries slaves. proxy had hardware firewall on ensure specific app servers within network have access neo4j database.


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