Networking Origination

DVR/CCTV & Browser Compatibility issue From past few weeks we were having issues accessing our DVR systems from the Internet. The problem was that only when authentication dialogue appears, and after entering credentials , nothing appears further , no video nothing else, seems like connection going in sink hole. As showed in the images below . . . Login screen appear but with no background or complete logo . But after entering credentials, no video or any thing else came except for blank screen or with no video. First we thought it might be something with the port forwarding , so first we did some investigation and found nothing, so called a Cisco Support personnel, and he also did some checking and found nothing. Then we suspect our ISP and lounged complain regarding possible content filtering, but they claimed none of any traffic is filtered in corporate networks except VOIP. We called the DVR support team and they claimed everything is fine at th...

Mikrotik DUAL WAN Load Balancing using PCC method. Complete Script ! by zaiB Filed under: Mikrotik Related — Tags: dsl , dual wan load balance , load balance, mikrotik, pcc — Waseem Anjum Meo@ 10:16 PM             35 Votes Mikrotik  DUAL WAN Load Balancing using PCC method. Complete Script ! by zaiB Following is a complete script for Mikrotik to combine/load balance two DSL lines. In this example I used MikrotikT RB750 5 ports router. 2 ports were connected with two difference DSL Routers, and 3rd port was connected with User LAN. Both DSL are of same speed , i.e 10Mb each. DSL MODEM IP’S DSL MODEM 1 = 192.168.1.1 DSL MODEM 2 = 192.168.2.1 Also don’t forget to rename the interface names accordingly. In my personnel experience , If users request are directly hitting Mikrotik configured with PCC , then you will get good load balancing. Use src-address as classifier, this way you will get rid of problems...

Basic Differences Between CAT5, CAT5E, CAT6, CAT6e, CAT6a Cables Posted on November 25, 2013             1 Vote Basic Difference Between CAT6,CAT6e and CAT6a Cables Basic Difference Between CAT5 and CAT5E Cables Category 5 Category 5 cabling transmits at a frequency of 100MHz. This provides a rated line speed of up to 100Mbit/s and a cable segment length of 100 meters maximum. Most Category 5 cables, were designed for earlier networks replacing cat 3, only used two twisted pairs of wires. However, older Category 5 cabling continues to make up the majority of the world’s network cabling infrastructure. Category 5e Category 5e was later introduced as an improved specification to the very popular Category 5 that replaced Cat 3.  The improvement was in noise reduction. By reducing the noise and signal interference beyond Cat 5, Category 5e rat...

Mikrotik Howto block Winbox Discovery + Limit Winbox Access Posted on May 4, 2013             Rate This To hide your mikrotik from being appearing in WINBOX scan neighbor list, & to limit WINBOX access from your specific IP address or admin PC only, Use the Following. To disable winbox access using mac address you have to disable mac-server on the NIC Go to Tools -> MAC Server Click on the WinBox Interfaces Tab By default this is set to all You can add specific interfaces, and disable the all entry OR using CLI, use the following command 1 2 3 4 /tool mac-server add disabled=yes interface=all /tool mac-server ping set enabled=no Or disable MAC Discovery for all interfaces by using following 1 2 3 4 /ip firewall filter add action=drop chain=input comment="Block mikrotik discovery/zaib" disabled=no dst-port=5678 protocol=udp add ...

3 Wan Load Balance PCC with HOTSPOT Posted on October 1, 2013             Rate This 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 #Set Ethernet name as WAN1,WAN2,WAN3,Local and copy below script on terminal window. #After adding this script please goto hotspot and run hotspot setup manually #Reboot my Mikrotik and test your setup.   /ip pool add name=dhcp_pool1 ranges=192.168.21.2-192.168.21.254   /ip dhcp-server add address-pool=dhcp_pool1 disabled=no interface=Local name=dhcp1   /ip address add address=192.168.1.2/24 interface=WAN1 add address=192.168.2.2/24 interface=WAN2 add address=192.168.3.2/24 interface=WAN3 add address=192.168.21.1/24 interface=Local ...

Download Payment Reminder Details Q: How to add a payment reminder in mikrotik 3.x, 4.x or 5.x ....? Ans: 1. adding a payment reminder profile in hotspot just copy and paste this in new terminal of winbox  ip hotspot user profile add name=Reminder idle-timeout=none keepalive-timeout=2m status-autorefresh=1m shared-users=1 rate-limit=64k/128k transparent-proxy=yes open-status-page=always advertise=yes advertise-url=/reminder.html advertise-interval=59s advertise-timeout=1m 2. Adding a payment Reminder page    i. Copy hotspot folder from winbox to your desktop   ii. Delet the file "radvert.html"  iii. Creat a reminder page in html editer and save as "reminder.html" (letter Case Sesitive)   iv. Now put file "reminder.html" in hotspot folder    v. Finaly copy hotspot folder and paste to winbox (dont forget to delet old files of hotspot in winbox file menu) Testing your Payment Reminder Server     i. Open winbox ...

Mikrotik 3.x and Above Configuration Step by Step Download mikrotik 3.30 with livecd Gentoo cracker (level 6 key) . Read Included  Instructions carefully .. Mikrotik 3.30 Crack at 4Shaerd OR Mikrotik 5.18 Pre-Crack at Ziddu OR Mikrotik 5.20 Pre-Cracked 1. Install mikrotik on x86 (with 2 Ethernet Ports) 2. Start Mikrotik System 3. you will need a windows system to access your Mikrotik 4. How to configure Mikrotik via Winbox see below ... 1. Adding Ip Address: Ether1: Wan (Internet) Ether2: Lan (Clients) Click " new terminal " as Picture. Now Copy and paste Below .. /ip address add address=10.10.10.1/24 disabled=no interface=ether2 network=10.10.10.0 add address=192.168.1.2/24 disabled=no interface=ether1 network=192.168.1.0 2. Adding "DNS" (see Image) Change DNS  1st DNS address : 182.190.0.21 2nd DNS address : 203.99.163.240 3rd DNS address : 8.8.8.8 4th DNS address ...

Howto to enable Mikrotik Web Proxy in Transparent Mode Web proxy is a service that is placed between a client and the internet for  HTTP  web surfing. It can cache certain contents / http pages in its local cache. Mikrotik have basic PROXY package builtin called  WEB PROXY . It is suitable for basic caching for small to mid size networks. For advance caching capabilities, Use 3rd party external proxy server like  SQUID . MikroTik WEB.PROXY Recommendation Always try NOT to use the same storage disk to store your your cache and your your Router OS, to ensure there is always enough space on your router OS Disk for logs, upgrade / update packages & Backups. Therefore It is highly recommended that the web-proxy cache is stored on a physically separate drive (store) other than the Router OS. Placing the cache on a separate drive ensures maximum performance and reduces problems if the disk becomes full or fails as the OS will then still be...

Howto to enable Mikrotik RouterOS Web Proxy in Transparent Mode Filed under: Mikrotik Related — Tags: aacable mikrotik proxy , block by file types , howto block website in mikrotik proxy , Mikrotik howto block downloading , Mikrotik Proxy , mikrotik transparent proxy , Mikrotik Web Proxy , Web Proxy — Waseem Anjum Meo@ 1:24 PM             25 Votes Web proxy is a service that is placed between a client and the internet for HTTP web surfing. It can cache certain contents / http pages in its local cache. Mikrotik have basic PROXY package builtin called WEB PROXY . It is suitable for basic caching for small to mid size networks. For advance caching capabilities, Use 3rd party external proxy server like SQUID . MikroTik WEB.PROXY Recommendation Always try NOT to use the same storage disk to store your your cache and your your Router OS, to ensure there is always enough space on your router OS Disk for logs, upgrade / u...

Howto remove your mail server IP from HOTMAIL black list Filed under: Microsoft Related — Tags: HOTMAIL black list , microsoft snds — Waseem Anjum Meo@ 1:32 PM             4 Votes Recently Hotmail started to reject emails coming from our domain , giving following error. Error transferring to mx4.HOTMAIL.COM; SMTP Protocol Returned a Permanent Error 550 SC-001 (SNT0-MC2-F23) Unfortunately, messages from xxx.xxx.xxx.xxx weren't sent. Please contact your Internet service provider since part of their network is on our block I checked at mxtoolbox.com website mail server blacklist checker and all over the internet in all possible dns black lists but my IP address was not listed and it was clean. I then signed in to Microsoft  Smart Network Data Services at  https://postmaster.live.com/snds/   and found out that my IP address was in Hotmail black list. I found out that Microsoft has an Eform for De-Lis...