Cortelco C62 user manual Application Layer Gateway ALG Settings, Ftp Alg, Pptp ALG

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connectivity to specific hosts in the internal network, although communication with other hosts in the DMZ and to the external network is allowed. This allows hosts in the DMZ to provide services to both the internal and external network, while a firewall controls the traffic between the DMZ servers and the internal network clients.

The following chart describes the network access control of DMZ.

	Application Layer Gateway (ALG) Settings

Field Name		Explanation
IPSec ALG		Enable/Disable IPSec encryption. Default is enabled.

FTP ALG		Allow the ALG to securely pass FTP traffic. Default is enabled.

PPTP ALG		Allow the ALG to securely pass PPTP traffic. Default is enabled.

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Contents Cortelco Safety Notices Table of Contents Other Functions 1.1 Appendix Introducing C62 VoIP Phone Box ContentsThank you KeypadPage Icon Introduction Input/Output PortsWAN LANProgrammable key LEDs for BLF LED IntroductionProgrammable key LEDs for Presence Programmable key LEDs for lineConnecting the phone Initial Connection and SettingPower Indication LED Power Light Enabled Power Indication LED Power Light DisabledPPPoE Mode Network SettingsStatic IP Mode Dhcp Mode Making a call Basic FunctionsAnswering a call Do Not Disturb DNDCall Waiting Call HoldCall Waiting Tone MuteMultiple-way call Call transfer10 3-way conference call Call pickup Advanced FunctionsJoin call Redial / UnredialCall back Click to dialAuto answer Hotline/WarmlinePing Programmable Key ConfigurationMemory Key LineDtmf Other Functions5 URL NoneBan Anonymous Call Auto HanddownBan Outgoing Dial PlanPassword Dial Power LightAuto Redial Call completionScreen Settings Basic SettingPre Dial KeyboardVoice Volume Ring SettingsRing Volume Time & DateGreeting Words Advanced SettingsLanguage GeneralAdvanced Settings MaintenanceService Code NetworkFactory Reset Web ConfigurationIntroduction of configuration Setting via web browserBasic Status Configuration via WEBField Name Explanation WizardStatic IP Quick SIP Settings Language Call LogWAN Settings Network WAN ConfigIP Address or name of DSL Server NAT LAN ConfigQos & Vlan Config Page SIP Dscp Field Name ExplanationService Port Dhcp Service TIME&DATE Manual Time Settings Voip SIP ConfigurationDaylight Saving Time Settings Field Name Explanation Advanced SIP Settings Codecs SettingsSipinfo Auto SIP Global Settings 3.2 IAX2 Stun Config Dial Peer SIP Line Using StunPage Web Interface Explanation Example Dial Peer ExamplesPhone Audio Page Feature Page Page Dial Plan Dial Plan Special Characters Phonebook Tables ContactGroup Option WEB Dial Remote Phonebook SettingFunction Keys Function KeyProgrammable Key Settings Screen Configuration Field Name ExplanationLine Key Settings/Function Key Settings Softkeys EXT Keys Maintenance Auto ProvisionPage Plug and Play Settings Auto Provision SettingDhcp Option Settings Syslog Phone Flash SettingsWeb Capture Syslog SettingsLevel Name Description Config Setting Config SettingField Name Explanation Web Update UpdateSelect File URL of the logo file Access Configuration AccessWEB Filter RebootSecurity WEB Filter Firewall Firewall ConfigurationNetwork Address Translation NAT Pptp ALG Application Layer Gateway ALG SettingsFTP ALG 7.4 VPN VPN ModeNetwork Address Translation NAT Table NAT Table OptionDelete Security File SecurityLogout Voice Features SpecificationAppendix Hardware Dtmf  DNS Auto  SMS WAN/LAN Network Features IP PBX  IMS  Post  Http  FTP  Tftp  Https Maintenance and managementDigit-character map table