Cannot resolve host name

[surreal]

* FlashFXP v[2].[1], build [924],[ ]unregistered
* OS [ ] WinXP
* Running behind NAT/router [ ] Yes & Model [Linksys BEFSR41 V3 Firmware Version: 1.04.8]
* Running firewall [ ] Yes, Name [ZoneAlarm], Ver. [4.0.146.029]
* Running Antivirus [ ] Yes, Name [Symanted]
* Network [ ] CABLE

Same result with forwarding ports through router and setting them in PROXY/FIREWALL section, as well as with and without binding socket to my IP.

TIA for any help you can be.