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Correct interaction between FASTACCEPT and CLAMPMSS
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3013 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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@ -9,6 +9,8 @@ Changes in 3.0.1
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4) Clarify PORTS column in blacklist file.
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5) Correct CLAMPMSS/FASTACCEPT interraction.
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Changes in 3.0.0 Final
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None.
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@ -7636,6 +7636,19 @@ verify_ip() {
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# - Determine the zones
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#
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initialize_netfilter () {
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setup_mss()
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{
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case $CLAMPMSS in
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Yes)
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option="--clamp-mss-to-pmtu"
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;;
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*)
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option="--set-mss $CLAMPMSS"
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;;
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esac
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run_iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS $option
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}
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report_capabilities
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@ -7754,6 +7767,8 @@ initialize_netfilter () {
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setpolicy INPUT DROP
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setpolicy OUTPUT DROP
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[ -n "$CLAMPMSS" ] && setup_mss
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setcontinue FORWARD
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setcontinue INPUT
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setcontinue OUTPUT
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@ -7765,6 +7780,8 @@ initialize_netfilter () {
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deleteallchains
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[ -n "$CLAMPMSS" ] && setup_mss
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setcontinue FORWARD
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setcontinue INPUT
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setcontinue OUTPUT
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@ -7807,19 +7824,6 @@ initialize_netfilter () {
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run_iptables -A $chain -p udp --dport 53 -j ACCEPT
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done
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if [ -n "$CLAMPMSS" ]; then
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case $CLAMPMSS in
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Yes)
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option="--clamp-mss-to-pmtu"
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;;
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*)
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option="--set-mss $CLAMPMSS"
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;;
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esac
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run_iptables -A FORWARD -p tcp --tcp-flags SYN,RST SYN -j TCPMSS $option
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fi
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accounting_file=$(find_file accounting)
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[ -f $accounting_file ] && setup_accounting $accounting_file
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@ -17,6 +17,9 @@ Problems Corrected in 3.0.1
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clarify that the PORTS column refers to destination port number/service
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names.
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5) When CLAMPMSS is set to a value other than "No" and FASTACCEPT=Yes, the
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order of the rules generated was incorrect.
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New Features in 3.0.1
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1) To make the macro facility more flexible, Shorewall now examines the
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