Skip to content
  • Thu. Jun 12th, 2025

51 Security

Learning, Sharing, Creating

  • Sitemap
  • NET
    • AI
    • Azure
    • Cisco
    • Cloud
    • Docker
    • F5
    • Juniper
    • Network
    • Vmware
  • SEC
    • Checkpoint
    • CyberArk
    • Fortigate
    • IBM Guardium
    • Palo Alto
    • Security
    • Symantec
    • Thycotic
    • VPN
    • Vulnerability Scan
  • IT
    • Architecture
    • Linux
    • Python
    • Raspberry Pi
    • SIEM
    • Software
    • Threat Hunting
    • Windows
    • Wireless
  • Others
    • All Sites
    • Blog Related
    • Contact Us
    • IT Pro Sec
    • Other Topics
    • Partner
    • About 51Sec
  • Forum
  • Store
    • Shop
    • Cart
    • Checkout
    • My account

Latest Post

[5 Mins Docker] Deploy Nexterm (open-source server management software) to Manage Cloud Servers Enable Sandbox / Hyper-V Feature on Windows 10 / 11 Home Edition CEHv13 Notes – Module 03: Scanning Netowrks Lab Free Online VPN Services (Proton VPN, Privadovpn, Windscribe) CEHv13 Notes – Module 04: Enumeration Lab
Categories
AI (9) Architecture (29) Azure (24) Blog (27) Checkpoint (80) Cisco (72) Cloud (105) CyberArk (61) Docker (60) F5 (11) Fortigate (24) Free (10) Guardium (18) Juniper (60) Linux (43) Network (55) Others (12) Palo Alto (8) Partner (11) Python (3) Raspberry Pi (8) Security (75) SIEM (27) Software (50) Symantec (14) Threat Hunting (29) Thycotic (21) Uncategorized (2) Vmware (21) VPN (48) Vulnerability Scan (19) Windows (19) Wireless (6)
Recent Posts
  • [5 Mins Docker] Deploy Nexterm (open-source server management software) to Manage Cloud Servers
  • Enable Sandbox / Hyper-V Feature on Windows 10 / 11 Home Edition
  • CEHv13 Notes – Module 03: Scanning Netowrks Lab
  • Free Online VPN Services (Proton VPN, Privadovpn, Windscribe)
  • CEHv13 Notes – Module 04: Enumeration Lab
  • Microsoft Defender Tips & Tricks
Recent Comments
  • Tenable PCI Scans – 51 Security on Tenable Vulnerability Management Specialist – Discovery, Assessment, Analysis, Compliance, Dashboard, Reports, Core, Nessus, Agent, NNM, Access Control
  • Chris on How to Upgrade Windows 10 Evaluation Version to Full Version
  • netsec on Methods to Renew Microsoft 365 Developer Subscription
  • developer on Methods to Renew Microsoft 365 Developer Subscription
  • philip on Install WSA (Windows Subsystem for Android) and Android Apps In Windows 11 W/O Amazon Appstore
  • Sudhanshu Shekhar on CyberArk 12.1 Lab – 5. PSM Installation
Archives
  • RSS - Posts
  • RSS - Comments
51Sec Sites
51sec Sites 51sec Navigation

51sec OneDrive 51sec Google Drive
VPN Recommendation: Best VPN With Great Discount
Please enable / Bitte aktiviere JavaScript!
Veuillez activer / Por favor activa el Javascript![ ? ]
Checkpoint

Checkpoint SmartDashboard Error – No Rule Bases Exist for the Policy Package

2014-02-21 Jon

Got this issue in the morning. Searched the Checkpoint Support Site and found sk72440 CAUSE $FWDIR/conf/applications.C* and $FWDIR/conf/CPMILinks* files have become corrupted on Management Server / Multi-Domain CMA. SOLUTION To…

Checkpoint

Checkpoint Smartview Monitor Shows Firewall Disconnected

2014-02-20 Jon

It is a interesting error on Checkpoint Smartview Monitor Gateway Status page. One of cluster members shows disconnected, and another one shows attention. Usually after I refreshed the status, attention…

Software

What’s the Best Antivirus for home users at Win7, Win8 and Winxp OS

2014-02-04 Jon

From Howtogeek.com :http://www.howtogeek.com/181342/whats-the-best-antivirus-and-how-do-i-choose-one/ Test Report for home user fromhttp://www.av-test.org/en/tests/home-user/ For free product, bothAVG Free Edition 2013 and Avast:Free Antivirus 8 are good.For Commercial Products: Kaspersky won. Win7 Win8 WinXP

Juniper

Copy certificates after RE replacement in JunOS HA cluster

2014-01-30 Jon

This KB can be used on SRX firewalls as well. usually when you start the CRL request, installed the certs for local and CA, both cluster members will automatically synchronized…

Juniper

Juniper Hidden Command : set chassis cluster control-link-vlan enable

2014-01-29 Jon

set chassis cluster control-link-vlan enable Explanation: How to enable or disable VLAN tagging on the chassis cluster control port Show KB Properties SUMMARY: This article provides information on how to…

Checkpoint

Procedures to Replace failed Checkpoint Cluster Member Appliance

2014-01-29 Jon

The UTM 272 is running R75.40. We found when it failed over to active, the load will push temperature higher than 60, which caused it shutdown itself. Called Checkpoint Support…

Checkpoint

Upgrade Checkpoint from Command Line after failed from Webui

2014-01-28 Jon

There is 2012 Appliance 4205 in the environment. Some basic configuration done, including internal interface and gateway. But after a couple of times failed attempt to upgrade OS from R75…

Cisco

Cisco User Privilege 15 Command does not work on switch

2013-10-11 Jon

Created one local help desk account with temporary privilege 15, but seems does not workIn my case, the switch have been configured with following accounts: username localit privilege 15 secret…

Cisco

DSL Line – PPPoE on Cisco Router Configuration Template

2013-10-08 Jon

interface GigabitEthernet0/0 no ip address ip virtual-reassembly duplex auto speed auto pppoe enable group global pppoe-client dial-pool-number 1 interface GigabitEthernet0/1 ip address 100.199.14.7 255.255.255.0 ip nat inside ip virtual-reassembly duplex…

Juniper

Upgrade Juniper JUNOS on SRX using USB Storage

2013-10-03 Jon

1. Insert USB Pen Driver into USB port on SRX Firewall 2. log into SRX Firewall with root account. Create /var/tmp/usb folder root@fw-1-1% cd /var/tmp root@fw-1-1% ls cleanup-pkgs.log gksdchk.log idp_license_info…

VPN

Cisco IOS IPSec VPN with External Trusted PKI Certs – Verisign

2013-09-16 Jon

Topology: using IOU Rack v3 from post My Cisco IOU Racks – from flyxj IOUv3 It looks like following screenshot: The goal is to achieve ipsec with third party trusted…

Checkpoint VPN

Using Symantec Verisign PKI to authenticate Checkpoint Site-to-Site IPSec VPN

2013-09-12 Jon

This lab will use Symantec Verisign Trial SSL Certificate and Checkpoint R76 installed on VMware to demonstrate the steps how to use external OPSEC PKI to authenticate IPSec VPN Tunnel…

Posts pagination

1 … 74 75 76 … 83

You missed

Docker

[5 Mins Docker] Deploy Nexterm (open-source server management software) to Manage Cloud Servers

2025-05-14 netsec
Windows

Enable Sandbox / Hyper-V Feature on Windows 10 / 11 Home Edition

2025-05-14 netsec
Threat Hunting

CEHv13 Notes – Module 03: Scanning Netowrks Lab

2025-05-14 netsec
VPN

Free Online VPN Services (Proton VPN, Privadovpn, Windscribe)

2025-05-14 netsec
Top Posts
  • How to Get a Free Temporary Windows Virtual Machine in the Cloud
  • One Command To Install IPSec VPN Server - Libreswan (IPSec VPN ServerAuto Secutity Script)
  • CyberArk PAS Configuration Notes (Architecture)
  • Free Software Across the Great Firewall (免费翻墙软件)
  • CyberArk PAS Solution Issues and Troubleshooting (PSM)
NetSec YouTube Channel

51 Security

Learning, Sharing, Creating

Proudly powered by WordPress | Theme: Newsup by Themeansar.

  • Home
  • About Site
  • Cart
  • Checkout
  • Contact Us
  • Forum
  • My account
  • Partner
  • Shop
  • Sitemap