various fixes and improvements

[distro-setup] / brc

diff --git a/brc b/brc
index fbc1acb2f653cc50467d6aeb9f6ff036cfc32c7a..96e66a883d647c5e69538b53e96b704814f1f14a 100644 (file)
--- a/brc
+++ b/brc
@@ -951,6 +951,10 @@ else
     }
 fi
 
+ipdrop() {
+    s iptables -A INPUT -s $1 -j DROP
+}
+
 net-dev-info() {
     e "lspci -nnk|gr -iA2 net"
     lspci -nnk|gr -iA2 net
@@ -1527,7 +1531,7 @@ t() {
      declare -gi _seq; _seq+=1
      echo "test body" | m mail -s "test mail from $HOSTNAME, $_seq" "${@:-root@localhost}"
      # for testing to send from an external address, you can do for example
-     # -aFrom:ian@iank.bid web-6fnbs@mail-tester.com
+     # -fian@iank.bid -aFrom:ian@iank.bid web-6fnbs@mail-tester.com
      # note in exim, you can retry a deferred message
      # s exim -M MSG_ID
      # MSG_ID is in /var/log/exim4/mainlog, looks like 1ccdnD-0001nh-EN