From 967485c2d00d9aff91aea535d2909deab0ed1ba4 Mon Sep 17 00:00:00 2001
From: Yaroslav Halchenko <debian@onerussian.com>
Date: Wed, 29 Oct 2014 23:14:47 -0400
Subject: [PATCH] improving grepping

---
 ChangeLog                                 | 2 ++
 config/action.d/mail-whois-lines.conf     | 2 +-
 config/action.d/sendmail-whois-lines.conf | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 99480d57b..0e1077352 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -12,6 +12,8 @@ ver. 0.9.2 (2014/XX/XXX) - wanna-be-released
 
 - Fixes:
    * $ typo in jail.conf. Thanks Skibbi. Debian bug #767255
+   * grep'ing for IP in *mail-whois-lines.conf should now match also
+     at the begginning and EOL.  Thanks Dean Lee
 
 - New Features:
 
diff --git a/config/action.d/mail-whois-lines.conf b/config/action.d/mail-whois-lines.conf
index aa7d09503..5f760ac83 100644
--- a/config/action.d/mail-whois-lines.conf
+++ b/config/action.d/mail-whois-lines.conf
@@ -42,7 +42,7 @@ actionban = printf %%b "Hi,\n
             Here is more information about <ip>:\n
             `whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
-            `grep '[^0-9]<ip>[^0-9]' <logpath>`\n\n
+            `grep -E '(^|[^0-9])<ip>([^0-9]|$)' <logpath>`\n\n
             Regards,\n
             Fail2Ban"|mail -s "[Fail2Ban] <name>: banned <ip> from  `uname -n`" <dest>
 
diff --git a/config/action.d/sendmail-whois-lines.conf b/config/action.d/sendmail-whois-lines.conf
index 985d0048b..4169e82a0 100644
--- a/config/action.d/sendmail-whois-lines.conf
+++ b/config/action.d/sendmail-whois-lines.conf
@@ -26,7 +26,7 @@ actionban = printf %%b "Subject: [Fail2Ban] <name>: banned <ip> from `uname -n`
             Here is more information about <ip>:\n
             `/usr/bin/whois <ip> || echo missing whois program`\n\n
             Lines containing IP:<ip> in <logpath>\n
-            `grep '\([^0-9]\|^\)<ip>[^0-9]' <logpath>`\n\n
+            `grep -E '(^|[^0-9])<ip>([^0-9]|$)' <logpath>`\n\n
             Regards,\n
             Fail2Ban" | /usr/sbin/sendmail -f <sender> <dest>