Installation

Download Sentry

bash || sh
export SENTRY_URL=https://raw.githubusercontent.com/msimerson/sentry/master/sentry.sh
curl -O $SENTRY_URL || wget $SENTRY_URL || fetch --no-verify-peer $SENTRY_URL
chmod 755 sentry.sh

Install

mkdir -p /var/db/sentry
mv sentry.sh /var/db/sentry/sentry

Configure tcpwrappers

Add these lines near the top of your /etc/hosts.allow file:

sshd : /var/db/sentry/hosts.deny : deny
sshd : ALL : spawn /var/db/sentry/sentry --connect --ip=%a : allow

Test

/var/db/sentry/sentry --report

That's all!

Upgrading

cd /var/db/sentry
curl -o sentry https://raw.githubusercontent.com/msimerson/sentry/master/sentry.sh
chmod 755 sentry

Requirements

• Bash (4.0 or later)
• SQLite3