Setting up Dial Security 10-5Autopass Prompting Autopass is the default form of password protection. Autopassautomates the process of logging in to the host modem, but it requiresthe guest and host devices to be Business Modems.When a guest device attempts an Autopass connection, the guestincludes its password in its V.42 error-control request. The host modemchecks all the enabled passwords in its security accounts for a match.Password Prompting Password Prompting allows connections with any guest device, as long asthe guest user knows the correct password.When the host has Password Prompting enabled, it asks guest users for apassword. The host modem checks the received password against each ofits active Security accounts.The table below is a comparison between Autopass and Passwordprompting.When using Autopass Prompting When using Password PromptingBoth the host and guest devices are madeby 3Com and have Dial Security enabled.Guest devices don’t have to support3Com Dial Security.The connection between the BusinessModems or modems is under V.42 errorcontrol (See Appendix B, AlphabeticCommand Summary for informationabout using AT&M4 or AT&M5)V.42 error-control connections aren’trequiredIf the guest includes an invalid password,the host sends an INVALID PASSWORDmessage and hangs up.If the guest sends an invalid password,the host prompts twice more beforedisconnecting.If the guest does not send a passwordafter 60 seconds, the host disconnects.If the guest includes a valid password, thehost permits a secure connection.The host will still always respond to acorrect Autopass attempt.If the guest did not enable Dial Security,the host will not accept the call unlessprompting is enabled on the hostBusiness Modem.