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Ask Slashdot: How To Unblock Email From My Comcast-Hosted Server?

Rotten Re:Testing and config verification (405 comments)

Owwww CMON!

"3) I've checked every blacklist using sites like mentioned above. My IP does not exist on a single one."

REALLY??? Senderbase it's just a basic check, if your are talking about the email you use on your slashdot profile:

http://www.senderbase.org/lookup/?search_string=23.31.69.157

Whooha:
"IP Address 23.31.69.126 is listed in the CBL. It appears to be infected with a spam sending trojan, proxy or some other form of botnet.
It was last detected at 2014-11-05 04:00 GMT (+/- 30 minutes), approximately 9 days, 30 minutes ago."

Now you owe me a beer.

about two weeks ago
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Ask Slashdot: How To Unblock Email From My Comcast-Hosted Server?

Rotten Re:Testing and config verification (405 comments)

I bet the answer for 1) and 2) is NO

3) is what maybe prompted to get SPF

4) inevitable but won't force a block on your IP unless it's 1000's of mails daily

5) you have to protect yourself against password guessing and installing outbound antispam/antivirus for your own mails. it's 2014 ffs.

6) probably it's a NO, or MAYBE for a self signed certificate.

Yikes, we could fix the submiter's server for a fee.

about two weeks ago
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Ask Slashdot: How To Unblock Email From My Comcast-Hosted Server?

Rotten Re:Consumer IP ranges (405 comments)

does comcast business let you control/change/update your reverse DNS for your fixed IPs?

I've been running servers in south america for 15 years. Local network blocks have been pretty abused by spammers. I know there are professional spammers close to my ips (same subnet plus 1 or 2) and never had my server denied by yahoo, gmail or hotmail.

What's our secret then?

DKIM, DMARC, SPF, good reputation, reverse DNS matching our server name, SSL for outbound smtp, antispam and antivirus for outbound mail.
For those 3 big guys and some others we use outgoing mail delay and receiver throttling (we don't want to send 100 RCPs to yahoo servers and get nailed)

We even had some mail accounts/client computers hacked and used by spambots. We reacted, solved the problem promptly, and still we are not getting rejects.

But if some mail from "mail.legitLLC.com" comes to my smtp port asking to send a mail, and it's IP turns out to reverse-dns to "bussiness-comcast-blabla.net" i will flag your mail as spam.

Ask slashdot is turning into a basic support forum....

about two weeks ago
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Ask Slashdot: How To Unblock Email From My Comcast-Hosted Server?

Rotten Consumer IP ranges (405 comments)

When your server is running on a comcast owned ip block, and the block is used to assign dynamic ips, then your IP is -to everybody else in the internet- dynamic. Even if comcast is giving those dynamic ips statically to you.

Those 3 big name companies and almost every sysadmin who is tired of spam has been blocking dynamic ip ranges for years.

You don't need slashdot for this, you can figure out the problem and the solution just searching google in 5 minutes: rent a dedicated server

about two weeks ago
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Drones Reveal Widespread Tax Evasion In Argentina

Rotten Re:so drones are useless because... (208 comments)

There was a time, a long time ago, that irony and sarcasm were a day to day practice in Slashdot.

about 2 months ago
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Drones Reveal Widespread Tax Evasion In Argentina

Rotten Too bad drones can't reveal government corruption (208 comments)

That's a drone i would love to see flying.

In Argentina we have drones watching general population private property for tax declarations.

We got camera domes on most corners, but nobody is monitoring them, and certainly not even police cars to dispatch to those locations.

We got a vice president who evaded taxes, declare nonexistant addresses, but nobody cares.

We had a commerce secretary -a real character, funny guy- he intimidated people -mafia like-, got taped and nothing happened.

We got a gunpoint robber, got caught on GoPro by the victim, he's not in jail, he's on the TV, he's a rockstar now.

We got some official car (senator) drivers that got caught trafficking cocaine....rofl, nothing happened.

We even got a NGO for human rights with more than 5000 bouncing checks, but it's not so NGO since it's heavly sponsored by the government, and those bouncing checks - for some reason - never got into the credit rating system (magic!)

We got a spike on meth precursors for 2 or 3 years, (10x efedrin imports from 6 tons to 60 tons) and the permits for that trace back to phone lines to the presidential building! yay! way to go Argentina, nothing happened besides 3 witnesses got killed -executed- and...yay! nothing happened!

We got no radars guarding our borders, the only smuggling small planes we know about, are those that crash land from time to time.

So, there's nothing new in a drone/plane/satellite catching tax evasion. I want the corruption spotting drone. That would make "news for nerds" or "stuff that matters".

about 2 months ago
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WikiLeaks: NSA Recording All Telephone Calls In Afghanistan

Rotten Basically it's what a security agency should do (241 comments)

I endorse privacy, but i have to recognize that this practices are the most probable cause of why we have not seen more 9/11's in the last 10 years. I gladly pay the price. Of course one could think that there's more elegant ways to achieve the same, but when this started, elegance was not a choice.
I believe the practices will change over time and under public pressure, achieving the same goals without having to analyze every single communication around, besides the privacy concern, is really not that efficient...

about 6 months ago
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Don't Be a Server Hugger! (Video)

Rotten Hype Hugger (409 comments)

Who on earth is this guy Curtis Peterson? Server Huggers? What about Hype Huggers?

Curtis, don't be a Hype Hugger, don't get trapped in yesterday's hype, you could end up unemployed tomorrow when "the clud" turns into vapour.

about 6 months ago
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Gabe Newell Responds: Yes, We're Looking For Cheaters Via DNS

Rotten Nothing new here - RAM/DISK scans are part of AC (511 comments)

Anticheat software have been scanning memory forever.and when if scans memory it's obviously comparing data to a pattern to decide if tha'ts a cheat or not.

Not sure what's the difference between you mail account lying open on the background holding all your personal communications beeing scanned by punkbuster or vac, or the dns cache beeing scanned too.

Code caves, hooking, etc. I'm not sure if anticheat software can't beat online game cheaters.

about 9 months ago
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NSA Tracking Cellphone Locations Worldwide

Rotten Metadata (256 comments)

Depends on how you define metadata. Nowadays the line between privacy, metadata and your last name, habits, shopping, etc seems to be a single "SELECT" line involving one or two tables.

The information is obviously a valuable law enforcement tool. Just like phone records, like wiretapping (under a judge auth.).
At least my perception, way before snowden and all the latest leaks, was that this was actually happening. This is just a confirmation.

Would be great if, as in wiretapping, this would be supervised by justice, and used only in criminal investigations. Sound naive ...i know

about a year ago
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Nasdaq 4000 — This Time It's Different?

Rotten 2000-2013 comparison (241 comments)

Economy is in a much better shape now. Top 10 NASDAQ companies are producing tons goods and giving 1000's of jobs to the people.
Thanks god society is eager to buy those "likes" thingies that boost the economy. And what about those "character" things? 1 is not enough, everybody wants 140 of 'em!

about a year ago
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Popular Android ROM Accused of GPL Violation

Rotten Android mod world (197 comments)

Android mod world (modded roms, cyanogen forks, custom kernels, etc) has tons of examples like this. People who distributes compiled kernels and refuses to share their patches because that way they would "loose" their "exclusive l33t" kernel, since some other modder/coder may "steal" their job (which is basically some minor editing or patch merging on top of a real kernel...samsung kernel for example...plus 10 lines of code to make something happen).

about 2 years ago
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Nintendo Ranks Last In Conflict Minerals Report

Rotten Re:Fallacious II (134 comments)

typo: "Eastern Congo IS NOT the only..."

more than 2 years ago
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Nintendo Ranks Last In Conflict Minerals Report

Rotten Fallacious II (134 comments)

"Conflict Minerals", it's a whole misleading concept. The Conflict is human, those minerals can be found at Eastern Congo, and are available in many other places.

Eastern Congo is the only available source, nor the most important or #1 producer of any of the so called "Conflict Minerals".

It's sad when political agenda mixes up in EVERYTHING. This is clearly -IMHO- of another NGO acting in the publicity area against companies who do not follow or play along their agenda.

my 2 cents

more than 2 years ago
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CowboyNeal On Dota 2, Modern Games, and Software Development

Rotten Re:Who's this CowboyNeal? (148 comments)

The other half was trying to Imagine a Beowulf cluster of that...

more than 2 years ago
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CowboyNeal On Dota 2, Modern Games, and Software Development

Rotten Re:Who's this CowboyNeal? (148 comments)

... back then nobody bragged about the ID number...

more than 2 years ago
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Of currently dead inventors, my favorite is ...

Rotten Marian Rejewski (542 comments)

Inventing things against the clock has an extra "bonus" in my ranking.

more than 2 years ago
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Ask Slashdot: Best Way To Monitor Traffic?

Rotten Libpcap and teach. (338 comments)

I once achieved this on web traffic for a large corporation back in the days where internet @ work was "new" and pr0n was the main "misuse" in working hours.

I proposed to do it as ethical as it could be done, so we agreed about obfuscating domains, the idea was to educate users that were "new" to internet, so the administrator would only get notice about a "violation of terms". (using regex for the usual++ pr0n and other stuff related terms).

There was no actual "snoop", no logging, just a hint on who to talk to "use internet wisely and stop fooling around in working hours".

If i had a request like the one in this "Ask Slashdot" i would just tell the guy it can't be done, or at least, i wouldn't do it since it's not ethical at all.

more than 2 years ago

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Rotten Rotten writes  |  more than 9 years ago

That's it, a success story.

crond is still a little shaky, don't ask me why but it keeps duplicating calls to cron'ed jobs

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