BlackBerry Proxy properties
    BlackBerry Proxy
 propertiesThe following table describe the properties that you can configure for each of your organization's 
BlackBerry Proxy
 instances.Property  | Description  | Default  | Restart  | 
|---|---|---|---|
gp.gps.max.sessions  | Maximum number of active sessions.  | 15000  | —  | 
gp.gps.dns.server.ttl.ms  | Time to wait, in milliseconds, for the DNS server response.  | 1800000  | —  | 
gp.gps.server.flowcontrol  | Specify whether flow control is enabled for the server.  | Off  | —  | 
gp.gps.tcp.keepalive  | Specify whether TCP keepalive is enabled for the server.  | Off  | —  | 
gp.gps.unalias.hostname  | If you select this option,  BlackBerry Proxy  uses reverse DNS lookup with the IP address of the app server.If you don't select this option,  BlackBerry Proxy  uses the app server hostname for DNS lookups. | Off  | Yes  | 
gps.directconnect.supported.ciphers  | Add or change cipher suites that encrypt bridging and communications made through  BlackBerry  Direct Connect .You may choose to have your own proxy server configured for  Direct Connect  and placed between your client devices and the BlackBerry Proxy  server. If you have added your own proxy server, make sure that the BlackBerry Proxy  server ciphers correspond to those required by your own proxy server.All ciphers must be supported by  Java . | Listed in the UI  | Yes  | 
gp.directconnect. supported.protocols  | Add or change the cryptographic protocols that you want your system’s direct connect bridge to support.  | TLSv1, TLSv1.1, TLSv1.2  | Yes  | 
gp.eacp.command.service.nslookup. srv.ldap  | Enables LDAP over TCP for  Active
  Directory  servers. Active
  Directory  servers offer the LDAP service over the TCP protocol. Clients find an LDAP server by querying DNS for a record of the form: _ldap._tcp.DnsDomainName.If you select this option,  BlackBerry Proxy  uses LDAP for nslookup of a given service hostname.If you don't select this option,  BlackBerry Proxy  uses reverse DNS lookup directly, using the service hostname that you provide. | Off  | Yes  | 
gc.mdc.hb.timeout  | Specify the heartbeat timeout.  | 0  | —  | 
gp.server.secure.ciphers  | Add or change cipher suites that encrypt communications made through a  BlackBerry Proxy  server. All ciphers must be supported by  Java . | Listed in the UI  | —  | 
gp.server.secure.protocols  | Add or change the cryptographic protocols that you want your  BlackBerry Proxy  server to support. | TLSv1.2  | —  |