Twitter – Sorry! You’ve hit your hourly usage limit. Try again soon

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While playing with twitter search for few minutes, suddenly a message popped up saying that “Sorry! You’ve hit your hourly usage limit. Try again soon”. I was sure that it was because of my last few minutes excessive search requests. I also noticed that my searches were failing at that moment. So I waited just a couple of minutes and tried again. Mysteriously the search was working fine just after 2 minutes wait. Somehow my belief was that twitter doesn’t block for an hour, it may be less than that. I was curious to see what’s the maximum number of search request is required to reach the limit. So I started to search again. This time I was searching with all good words and I noticed that even after 50+ requests it’s not blocking me. Then I started to use bad words like my first attempt (mixing up with special character, XSS attack, missing word etc.) and interestingly just after few tries, the message again came up. But interestingly this time search was not blocked. The search result was coming nicely but the message was appearing with every request. I tried with changing browser, re-login, changing IP etc. But the result was same. Funny bug! from twitter.


Video: Sorry! You’ve hit your hourly usage limit. Try again soon. – A fake message from twitter.

Fooling Microsoft Word

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I recently played with the “Go To” feature of Microsoft Word (2007) and found an interesting thing to share with you guys. The “Go To” is nothing new actually, almost every word processor have this feature. Usually pressing “Ctrl + G” brings a small popup window and asks for a page number in MS Word. Then you put a page number and the application focus on the respective page. But this simple feature doesn’t work properly at least for me.

To try it by yourself, download the following document and try. Complete instruction is written in the first page of the document. Hope you will enjoy!

Fooling Microsoft Word

google.com.bd is attacked using DNS poisoning

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Just a few hours back, one of my old colleagues made a phone call to let me know that google has been hacked by a Bangladeshi guy. I was astonished to hear that thus couldn’t stop myselft to investigate further. First, when I tried http://www.google.com.bd it was ok. Then tried http://google.com.bd and yes, it has been hacked! The hacker has defaced the home page. Without being late I made a remote desktop connection to a PC which is located in australia. When I hit google.com.bd from there, it was redirecting me to www.google.com.bd one. This primary test make sure that it’s not a world wide problem. Then I asked few of my friends (who is under different network) to check whether this is particular to BD or not. One of them reported he found it ok. So, this is BD specific and some ISP specific. Finally running tracert command for both ensured that it’s a dns poising attack.

So, hackers have changed the ip address in the DNS servers (which translates a requested domain name into it’s corresponding ip address) for google.com.bd. However here is the tracert result:

Tracing route to www.google.com [74.125.230.81]over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.0.1
2 3 ms 2 ms 3 ms 114.130.35.65
3 5 ms 5 ms 2 ms 114.130.8.113
4 4 ms 4 ms 6 ms 169.dhk-peer.mango.com.bd [114.130.3.169]
5 6 ms 7 ms 4 ms gi1-3.gsr-7609.dhk-gsr-01.mango.com.bd [114.130.1.13]
6 152 ms 150 ms 151 ms pos12-1-0.palermo7.pal.seabone.net [195.22.198.157]

7 199 ms 197 ms 196 ms 72.14.198.233
8 197 ms 195 ms 195 ms 72.14.198.233
9 177 ms 178 ms 178 ms 216.239.47.128
10 190 ms 186 ms 187 ms 209.85.249.234
11 192 ms 193 ms 194 ms 72.14.233.104
12 194 ms 195 ms 195 ms 64.233.175.115
13 198 ms 194 ms 198 ms 74.125.230.81
Trace complete

Tracing route to google.com.bd [173.233.68.2]over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.0.1
2 2 ms 3 ms 2 ms 114.130.35.65
3 3 ms 3 ms 2 ms 114.130.8.113
4 3 ms 3 ms 4 ms 169.dhk-peer.mango.com.bd [114.130.3.169]
5 6 ms 5 ms 4 ms gi1-2.gsr-7609.dhk-gsr-01.mango.com.bd [114.130.1.9]
6 151 ms 150 ms 151 ms pos12-1-0.palermo7.pal.seabone.net [195.22.198.157]

7 189 ms 215 ms 189 ms xe-5-0-0.franco31.fra.seabone.net [195.22.211.221]
8 326 ms 324 ms 325 ms global-crossing.franco31.fra.seabone.net [89.221.34.110]
9 369 ms 371 ms 365 ms turnkey-internet.so-5-1-2.ar4.jfk1.gblx.net [64.215.182.250]
10 330 ms 331 ms 331 ms jm20-ny1-ge-1-3-0.turnkeyinternet.net [64.128.116.2] .
11 331 ms 333 ms 332 ms c6509-ny1-i12ge50.turnkeyinternet.net [208.85.1.14]
12 390 ms 369 ms 401 ms webserver24.turnkeywebspace.com [173.233.68.2]
Trace complete.