Tag: Security
All the articles with the tag "Security".

JunOS SRX too clever for it's own good!
Updated:Today the planned migration from a Juniper ScreenOS SSG to a JunOS SRX didn't quite go as smoothly as I'd have liked. We spent many hours last night and th

Squid Kerberos Nightmare
What a terrible sequence of events we suffered today. Took quite a bit of head scratching, log reading and plenty of Google fu to resolve. We use Squid wit

Fail2ban - Quick Reference
List your jails: $ sudo fail2ban-client status Show a particular jails status: $ sudo fail2ban-client status [JAILNAME] Unban an IP Address from the jail:

Juniper HA Woes
I spent quite some time messing around with a pair of Juniper SRX320's trying to get the HA clustering setup. The documentation seems pretty straight forwa

Sophos UTM HA
Updated:We encountered a few problems with licensing when we looked at moving from the UTM525's to UTM430's so we had to delay the project until yesterday. On the

STIG
Updated:We're not talking Top Gear. STIG = System Technical Implementation Guide References http://iase.disa.mil/stigs/Pages/index.aspx https://www.stigviewer.com/

Broken ARP
Updated:Not a fun morning. We spent an hour or two trying to figure out why our GUEST networks was unable to route any packets to the Internet. For many a GUEST ne

Preventing Martians
Updated:In the process of changing firewalls and routers around we encountered the Juniper detecting what it suspected were malicious MAC address changes that no longer match the IP address it last used. Which is understandable as we're giving the same IP address to new hardware.

CVE - Security Vunerability Datasource
https://www.cvedetails.com/index.php https://www.cvedetails.com/top-50-products.php

Oracle Database Patches
Updated:Having had to get an Oracle DB expert in to update our Oracle database server a rescan with Nessus still shows some vulnerabilities. c:\> cd \Oracle\produc