[Home](./index.md) > [bitburner](./bitburner.md) > [Server](./bitburner.server.md) ## Server interface A single server. Signature: ```typescript interface Server ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [backdoorInstalled](./bitburner.server.backdoorinstalled.md) | boolean | Flag indicating whether this server has a backdoor installed by a player | | [baseDifficulty](./bitburner.server.basedifficulty.md) | number | Initial server security level (i.e. security level when the server was created) | | [cpuCores](./bitburner.server.cpucores.md) | number | How many CPU cores this server has. Maximum of 8. Affects magnitude of grow and weaken. | | [ftpPortOpen](./bitburner.server.ftpportopen.md) | boolean | Flag indicating whether the FTP port is open | | [hackDifficulty](./bitburner.server.hackdifficulty.md) | number | Server Security Level | | [hasAdminRights](./bitburner.server.hasadminrights.md) | boolean | Flag indicating whether player has admin/root access to this server | | [hostname](./bitburner.server.hostname.md) | string | Hostname. Must be unique | | [httpPortOpen](./bitburner.server.httpportopen.md) | boolean | Flag indicating whether HTTP Port is open | | [ip](./bitburner.server.ip.md) | string | IP Address. Must be unique | | [isConnectedTo](./bitburner.server.isconnectedto.md) | boolean | Flag indicating whether player is currently connected to this server | | [maxRam](./bitburner.server.maxram.md) | number | RAM (GB) available on this server | | [minDifficulty](./bitburner.server.mindifficulty.md) | number | Minimum server security level that this server can be weakened to | | [moneyAvailable](./bitburner.server.moneyavailable.md) | number | How much money currently resides on the server and can be hacked | | [moneyMax](./bitburner.server.moneymax.md) | number | Maximum amount of money that this server can hold | | [numOpenPortsRequired](./bitburner.server.numopenportsrequired.md) | number | Number of open ports required in order to gain admin/root access | | [openPortCount](./bitburner.server.openportcount.md) | number | How many ports are currently opened on the server | | [organizationName](./bitburner.server.organizationname.md) | string | Name of company/faction/etc. that this server belongs to. Optional, not applicable to all Servers | | [purchasedByPlayer](./bitburner.server.purchasedbyplayer.md) | boolean | Flag indicating whether this is a purchased server | | [ramUsed](./bitburner.server.ramused.md) | number | RAM (GB) used. i.e. unavailable RAM | | [requiredHackingSkill](./bitburner.server.requiredhackingskill.md) | number | Hacking level required to hack this server | | [serverGrowth](./bitburner.server.servergrowth.md) | number | Parameter that affects how effectively this server's money can be increased using the grow() Netscript function | | [smtpPortOpen](./bitburner.server.smtpportopen.md) | boolean | Flag indicating whether SMTP Port is open | | [sqlPortOpen](./bitburner.server.sqlportopen.md) | boolean | Flag indicating whether SQL Port is open | | [sshPortOpen](./bitburner.server.sshportopen.md) | boolean | Flag indicating whether the SSH Port is open |