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Channel: Syed Jahanzaib – Personal Blog to Share Knowledge !
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FREERADIUS WITH MIKROTIK – Part #20 – Enforcement of lowercase in username

FREERADIUS WITH MIKROTIK – Part #1 – General Tip’s Click here to read more on FR tutorials … Disclaimer! This is important! Every Network is different , so one solution cannot be applied to all....

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DNSMASQ Short Notes to self

Dnsmasq is a lightweight, easy to configure DNS forwarder, designed to provide DNS (and optionally DHCP and TFTP) services to a small-scale network. As compared to `​BIND`​, which is a bit complex to...

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Tracking Account Lockout Source in Active Directory

Following are some short reference notes to MYSelf on how to trace account lockout in active directory environment’. An audit policy must be set on all computers and domain controllers. Scenario: We...

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PAKRAD – Reseller base ISP Billing System

“PAK Radius” is a customized ISP billing system developed to cater local market requirements. It’s built on concept where ISP have reseller / franchise / dealer & sub dealer base clientele. This...

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ASCI Fun with Mikrotik Terminal Banner

To edit Mikrotik Terminal Welcome Banner, Open Terminal & Issue following command, /system note edit note Now Design your graphics / or add texts of your choice, or paste your already copied data...

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Mikrotik Remote Access via Multiple WAN Links

I wrote about this topic few years back, but forgot where it is now, So adding it again as Note to Self! This solution applies for following particular scenario. Scenario: We have 2 wan links...

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BASH script to monitor Cisco Switch Port Status

Following script was designed for an OP who wanted to monitor his cisco switch ports status via linux base bash script. Created: February, 2016 Revision: January, 2019   OP Requirements: We need a...

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Forced routing of selective emails to ISP SMTP via Mikrotik Routing

Scenario: We have a LAN environment with our own email server [IBM Lotus Domino] hosted locally. Mikrotik router is acting as our gateway router with /29 public pool & port forwarding from...

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Unable to access Windows 2003 shared folder from Windows 10

We have some folders shared on old windows 2003 box, while trying to access them from windows 10 workstation, we are seeing following error …   In Windows 10 Fall Creators Update and Windows Server,...

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Barracuda Email Security Gateway – Short Notes

We are running our own email server hosted locally using IBM Lotus Domino Server. Last year we acquired Barracuda Email Security Gateway hardware device (BSFI300a) to filter spam/junk emails. Its...

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Mikrotik with Freeradius/mySQL # Part-21 – Weird Trigger for Duplicate Users

FREERADIUS WITH MIKROTIK – Part #1 – General Tip’s> Disclaimer! This is important! Every Network is different , so one solution cannot be applied to all. Therefore try to understand logic &...

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Troubleshooting Locked-out Domain Account with Netlogon Debugging

We are using Windows 2016 based Active Directory Domain Controller (2 of them) in our organization & have configured [powershell based scripts] email alerts on any account locked-out which occurs...

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Mikrotik with Freeradius/mySQL # Part-22 – Create Dynamic Address List using...

FREERADIUS WITH MIKROTIK – Part #1 – General Tip’s> Disclaimer! This is important! Every Network is different , so one solution cannot be applied to all. Therefore try to understand logic &...

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Vcenter 6.5: Cannot complete operation due to concurrent modification by...

Case#1 We have few ESXI machines managed by Vcenter (all have same 6.5 version). Today when we tried to upgrade compatibility on one vm guest using Vcenter, it gave following error. Cannot complete...

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MySql Database Recovery from Raw Files

Disclaimer: This worked under particular case. It may or may not work for everyone. Scenario: OS: Ubuntu 12.4 Servedit Edition / x86 MYSQL: Ver 14.14 Distrib 5.5.54, for debian-linux-gnu (i686) using...

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Facilitate CDN traffic with Mikrotik

Control / Facilitate CDN traffic with ~ Mikrotik Router ~ First some DRY theory ! CDNs replicate content in multiple places. There’s a better chance of content being closer to the user, with fewer...

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DENIED Notes users are still able to access mails through IBM Notes Traveler

We are using IBM lotus Domino server as per following – Lotus Domino – Primary Mail Server – Lotus Domino – Lotus Notes Traveler This is a case regarding “Denied access Notes users are still able to...

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BASH: Exporting MYSQL DB to Remote Server

Disclaimer: This post is shared just for reference & learning purposes. Scenario: We are using Freeradius server which uses mySQL as its backend DB. Ideally the mysql server should have replica...

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RM: Delete Expired Users Record

Following script was made for DMA Radius Manager 4.1.x. It can delete X months old Expired users record from the mysql DB. Sharing for reference purposes … #!/bin/sh #set -x SQLPASS="MYSQLPASSW0RD"...

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Exploiting Mikrotik for Good ?

Last updated: 7-AUGUST-2019 / 1400 hours Note: Lot have been written on this vulnerability & this is not something NEW, but this vulnerability helped us in accessing one of our remote site old...

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