From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.1) Gecko/20021003 Description of problem: The firwall scripts firewall-masq and firewall-standalone, located in /etc/ppp as soon as the rp-pppoe package is installed, do not conform to current internet standards as defined by the RFCs. The firewall scripts do block ICMP echo requests. STD 0003 Requirements for Internet Hosts. R. Braden, Ed.. October 1989. (Also RFC1122, RFC1123) does define: 3.2.2.6 Echo Request/Reply: RFC-792 Every host MUST implement an ICMP Echo server function that receives Echo Requests and sends corresponding Echo Replies. A host SHOULD also implement an application-layer interface for sending an Echo Request and receiving an Echo Reply, for diagnostic purposes. Version-Release number of selected component (if applicable): 3.5-2 How reproducible: Always Steps to Reproduce: 1. activate the firewall 2. ping the host Actual Results: No ICMP ECHO REPLY, nor any ICMP Error Message Expected Results: Reception of an ICMP ECHO REPLY Additional info:
firewall-masq and firewall-standalone will be obsolete in next release.