Cortelco C58P user manual Field Name Explanation, Application Layer Gateway ALG Settings

Page 74

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.

	74

Image 74

Contents Cortelco Safety Notices Table of Contents Other Functions 1.1 Appendix Thank you Box ContentsIntroducing C58/C58P VoIP Phone KeypadPort Port name Description Power switch Input 5V AC, 1AInput/Output Ports Icon Introduction IconDescriptionLED Introduction Initial Connection and SettingConnecting the phone Network Settings PPPoE Mode Static IP ModeDhcp Mode Answering a call Basic FunctionsMaking a call Call DeviceCall Hold Do Not Disturb DNDCall Forward Call Waiting10 3-way conference call MuteCall transfer Multiple-way callJoin call Advanced FunctionsCall pickup Redial / UnredialAuto answer Click to dialCall back Hotline/WarmlineMemory Key Programmable Key ConfigurationPing Line5 URL Other FunctionsDtmf NoneBan Outgoing Auto HanddownBan Anonymous Call Dial PlanAuto Redial Power LightPassword Dial Call completionPre Dial Basic SettingScreen Settings KeyboardRing Volume Ring SettingsVoice Volume Time & DateLanguage Advanced SettingsGreeting Words GeneralService Code MaintenanceAdvanced Settings NetworkIntroduction of configuration Web ConfigurationFactory Reset Setting via web browserConfiguration via WEB Basic StatusWizard Field Name ExplanationStatic IP Quick SIP Settings Field name Explanation Call Log1.4 Language Network WAN Config WAN SettingsIP Address or name of DSL Server LAN Config Qos & Vlan ConfigPage Field Name Explanation Service Port Dhcp Service TIME&DATE Manual Time Settings Voip SIP ConfigurationDaylight Saving Time Settings Field Name Explanation Codecs Settings Advanced SIP SettingsSipinfo Auto SIP Global Settings 3.2 IAX2 Stun Config SIP Line Using Stun 3.4Page Dial Peer Examples Web Interface Explanation ExamplePhone Audio Page Feature Page Page Dial Plan Dial Plan Special Characters Contact Phonebook TablesGroup Option Remote Phonebook Setting 4.6Function Key Screen ConfigurationFunction Key Settings Function KeysProgrammable Key Settings SoftkeysMaintenance Auto Provision Auto Provision SettingPhone Flash Settings Dhcp Option SettingsPlug and Play Settings Level Name Description TR069 Settings6.2 Syslog Syslog Settings Web CaptureConfig Setting Config SettingTFTP/FTP Update UpdateField Name Explanation Web Update Select File URL of the logo file Access Access ConfigurationWEB Filter RebootSecurity WEB Filter Firewall Configuration FirewallNetwork Address Translation NAT Application Layer Gateway ALG Settings Network Address Translation NAT Table VPN Mode7.4 VPN NAT Table OptionLogout Field Name Explanation Update Security File7.5 Security Delete Security FileSpecification SpecificationVoice Features Appendix Dtmf Network Features  IP PBX  IMSMaintenance and management  Post  Http  FTP  Tftp  HttpsDigit-character map table