HALConfigCheck.sh

This script audits for changes to key system configuration files (such as passwd, hosts etc.) and alerts if there are any changes.

HALSecurityCheck.sh

This script checks for basic security exposures such as blank passwords, '+' in .rhosts, hosts.equiv etc. It checks all local users (i.e. users in /etc/passwd, including root). Optionally, it also checks users listed in NIS/NIS+ databases.

HALDNSPing.sh

This script verifies that a user-specified DNS server is responding to requests.

HALFTPPing.sh

This script monitors the availability of an FTP service. It contacts a user-specified FTP server and attempts an anonymous login.

HALHTTPPing.sh

This script monitors the availability of a Web service. It contacts a user-specified HTTP server (which can be a proxy server) and requests a user-specified page. The request is retried a certain number of times if it times out.

HALNNTPPing.sh

This script monitors the availability of a news service. It contacts a user-specified NNTP server and attempts to query the control newsgroup.

HALIMAPPing.sh

This script monitors the availability of an IMAP mail retrieval service. It contacts a user-specified IMAP server and attempts a login.

HALPOPPing.sh

This script monitors the availability of a mail retrieval service, using the POP protocol.

HALSMTPPing.sh

This script monitors the availability of an SMTP mail delivery service. It contacts a user-specified SMTP server, attempts to identify itself, and quits without sending a message.

HALModemTest.sh

This script monitors the availability of a dial-up login service. It uses a local tip-configured modem to dial a user-specified number, and attempts a UNIX login. The dial-up retries a certain number of times if there is a busy signal.

HALTelnetPing.sh

This script monitors the availability of a telnet login service. It contacts a user-specified telnet server and attempts a UNIX login.