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rtopitt : dns   40

[Discussion] Can we protect our work from DNS providers suffering DDoS attacks? | AkitaOnRails.com
Dica de como usar um servidor DNS local (rodando Unbound) para se precaver de falhas generalizadas em servidores DNS na internet
dns  tip  how-to  internet  network  geek  ddos  security 
november 2016 by rtopitt
Pagekite - The fast, reliable localhost tunneling solution
The fast, reliable way to make localhost part of the Web.

PageKite makes local websites or SSH servers publicly accessible in mere seconds, and works with any computer and any Internet connection.

It's also 100% Open Source.
túnel  ssh  web  hospedagem  hosting  dns  dinâmico  python  grátis  webapp  localhost  network  server 
may 2013 by rtopitt
xip.io: wildcard DNS for everyone
xip.io is a magic domain name that provides wildcard DNS
for any IP address. Say your LAN IP address is 10.0.0.1.
Using xip.io,

10.0.0.1.xip.io resolves to 10.0.0.1
www.10.0.0.1.xip.io resolves to 10.0.0.1
mysite.10.0.0.1.xip.io resolves to 10.0.0.1
foo.bar.10.0.0.1.xip.io resolves to 10.0.0.1

...and so on. You can use these domains to access virtual
hosts on your development web server from devices on your
local network, like iPads, iPhones, and other computers.
No configuration required!
dns  webapp  webservice  local  desenvolvimento  utilidade  wildcard  network 
april 2013 by rtopitt
Using a Hosts File To Make The Internet Not Suck (as much)
Use this file to prevent your computer from connecting to selected internet hosts. This is an easy and effective way to protect you from many types of spyware, reduces bandwidth use, blocks certain pop-up traps, prevents user tracking by way of "web bugs" embedded in spam, provides partial protection to IE from certain web-based exploits and blocks most advertising you would otherwise be subjected to on the internet.
hosts  internet  adblock  domínio  arquivo  dns  propaganda  security  compilation  tip 
february 2013 by rtopitt
Propagated Yet? - DNS Propagation Notifier
Has my website's DNS at FOO propagated to BAR yet?

Verifica propagação de DNS
dns  domínio  teste  webapp  utilidade  propagação  internet  ip  network  service 
april 2012 by rtopitt
Panabee: Name Generator For Domain Names, Business Names, and App Names
Panabee is the simplest way to brainstorm names for a domain, business, or mobile app
nome  gerador  domínio  busca  dns  idéia  inspiração 
april 2012 by rtopitt
Preparing Domains in GoDaddy for Transfer Out | DNSimple - DNSimple
If you have more than a few domains with GoDaddy then preparing them for transferring away can be a time-consuming process. To help, we’ve put together this guide.
guia  how-to  dns  domínio  godaddy  transferência  mudança 
april 2012 by rtopitt
MX Lookup Tool - Check your DNS MX Records online - MxToolbox
This test will list MX records for a domain in priority order. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. You can click Diagnostics , which will connect to the mail server, verify reverse DNS records, perform a simple Open Relay check and measure response time performance. You may also check each MX record (IP Address) against 147 DNS based blacklists . (Commonly called RBLs, DNSBLs)
email  dns  spam  black_list  internet  mx  utilidade  webapp  consulta  security  configuration 
august 2010 by rtopitt
Check an Open Relay
Is your mailserver secure? Want to test it to make sure you are not an Open Relay for spammers? Simply enter the IP or host.domain name for the mail server you wish to test.
email  verificação  utilidade  webapp  smtp  spam  dns  mx  security 
august 2010 by rtopitt
Coding Horror: So You'd Like to Send Some Email (Through Code)
Dicas para envio de email programaticamente evitando marcações de spam.
importante  how-to  top10  email  spam  dns  envio  server  configuration  tip  programming 
may 2010 by rtopitt
Local DNS Cache for Faster Browsing « Ubuntu Blog
You can run a DNS cache on your computer. This will speed up the process of looking up domain names when browsing. The difference is about 30-60 ms for me. Multiply that difference by the number of websites you visit a day for an approximate estimate of the speed improvement. Of course, all this would be worth it if it weren’t for the fact that setting this up is way too easy.
dns  dnsmasq  how-to  linux  ubuntu  cache  performance  network 
may 2010 by rtopitt
Easy DNS wildcard setup for local domains using dnsmasq
When doing web development you'll often have domains/hostnames like hahler.local (instead of hahler.de). dnsmasq to the rescue!
dns  local  desenvolvimento  ubuntu  linux  software_livre  how-to  webapp  importante  hosts  dnsmasq  tip  programming 
april 2010 by rtopitt
What really happens when you navigate to a URL
As a software developer, you certainly have a high-level picture of how web apps work and what kinds of technologies are involved: the browser, HTTP, HTML, web server, request handlers, and so on. In this article, we will take a deeper look at the sequence of events that take place when you visit a URL.
html  http  internet  dns  url  ip  webapp  explicação  funcionamento  backend  importante  exemplo  navegador  header  reference  protocol 
february 2010 by rtopitt
The Public Suffix List
A "public suffix" is one under which Internet users can directly register names. Some examples of public suffixes are ".com", ".co.uk" and "pvt.k12.wy.us". The Public Suffix List is a list of all known public suffixes. The Public Suffix List is an initiative of the Mozilla Project, but is maintained as a community resource. It is available for use in any software, but was originally created to meet the needs of browser manufacturers.
internet  dns  url  domínio  mozilla  lista  tld  security 
january 2010 by rtopitt
namebench - Project Hosting on Google Code
Are you a power-user with 5 minutes to spare? Do you want a faster internet experience? Try out namebench. It hunts down the fastest DNS servers available for your computer to use. namebench runs a fair and thorough benchmark using your web browser history, tcpdump output, or standardized datasets in order to provide an individualized recommendation. namebench is completely free and does not modify your system in any way. This project began as a 20% project at Google.
linux  mac  windows  benchmark  performance  internet  dns  google  python  velocidade  importante  geek  software_livre  network 
december 2009 by rtopitt
Hey, PAC man. Sup, subdomains ! | Taylor.luk @ idn
Today, i would like to discuss the idea of subdomain in web apps, then share some tips and code to allow you to development and enable subdomain in your rails app, easily.
rails  dns  proxy  javascript  ruby  plugin  rack  desenvolvimento  how-to  tip  subdomain 
september 2009 by rtopitt
codeblog » paranoid browsing with squid
As Carthik says, the SSH SOCKS option is a great way to quickly tunnel your web traffic. A word of caution for the deeply paranoid: all your DNS traffic is still in the clear. While the web traffic and URLs aren’t sniffable any more, curious people can still get a sense for what kinds of stuff you’re browsing, based on domain names.
proxy  ssh  dns  socks  linux  firefox  security  configuration  tip 
june 2009 by rtopitt
Ubuntu Tutorials : Dapper - Hardy - Intrepid - Jaunty / Block Advertisements in ANY Browser via /etc/hosts
What someone has done is collect every nasty thing he could find into the hosts file, and map it to 127.0.0.1. This not only applies to blocking ads, but also banners, 3rd party cookies, 3rd party page counters, web bugs, and even most hijackers. You’re not only blocking advertisements, you’re outright blocking thousands of known problematic and malicious websites. And all this without requiring a single Firefox extension. It works in ANY browser.
navegador  hosts  linux  bloqueio  dns  internet  propaganda  advertisement  tip 
june 2009 by rtopitt
GMail for your Linode-managed Domain
Setting up your domain to take advantage of Google's generosity is simple and easy, but involves a bit of waiting while DNS records propagate. This wait is lengthened if you are moving from a previous email provider or if you misconfigure DNS.
google  gmail  linode  how-to  dns  apps  configuration 
may 2009 by rtopitt
Secret Geek A-Team Hacks Back, Defends Worldwide Web
"Oh shit," he mumbled. "I just broke the Internet."
artigo  bug  dns  dnssec  geek  hack  internet  reportagem  security 
may 2009 by rtopitt
Free DNS, Static DNS, Dynamic DNS, URL Redirection, and more from EveryDNS!
Welcome to EveryDNS.net -- our project to provide free dns services to the internet community.We provide static DNS services as well as many advanced services such as Dynamic DNS resolution, Secondary service, AXFR service, and domain2web redirection. Of
dns  domínio  grátis  internet  webapp  service 
may 2009 by rtopitt
An Illustrated Guide to the Kaminsky DNS Vulnerability
This paper covers how DNS works: first at a high level, then by picking apart an individual packet exchange field by field. Next, we'll use this knowledge to see how weaknesses in common implementations can lead to cache poisoning.
artigo  dns  geek  hack  security 
may 2009 by rtopitt
Schneier on Security: The DNS Vulnerability
Análise do Bruce Schneier sobre a recente falha de cache poisoning no protocolo DNS e o processo de patching da mesma
artigo  dns  exploit  patch  analysis  security 
may 2009 by rtopitt
Slicehost Articles: Email - preparing the Slice
Beginning a series of articles on many aspects of email (sending, receiving, configuring, etc), we need to start with the very basics by preparing the Slice. This article looks at the hostname and reverse DNS (RDNS) settings on the Slice.
dns  email  hardy  how-to  slicehost  ubuntu  server  configuration 
may 2009 by rtopitt
DoxPara Research
Site para verificar se seu servidor DNS está vulnerável à CVE-2008-1447
dns  internet  verificação  webapp  security 
may 2009 by rtopitt
OpenDNS | Providing A Safer And Faster Internet
OpenDNS is a better DNS, free to all. OpenDNS uses its distributed network of DNS servers to speed up your Internet experience, increase reliability, improve security and make DNS smarter for users all over the world.
dns  geek  grátis  internet  network 
may 2009 by rtopitt
lindsaar.net Tip #6 - Validating the Domain of an Email Address with Ruby on Rails
Validando um endereço de email via consulta ao registro DNS do domínio informardo para ver se existem registros MX associados ao domínio.
dns  email  mx  rails  smtp  validação  tip 
may 2009 by rtopitt
Slicehost Forum - Wildcard DNS entry for warehouse
Como setar um wildcard DNS no Sliceshot (via CNAME, com vhosts Apache)
dns  fórum  slicehost  wildcard  server  tip 
may 2009 by rtopitt
DNS Made Easy
Provedor de serviços DNS
dns  hosting  provedor  server 
may 2009 by rtopitt
Rails.Savvica: Email Veracity Plugin
Plugin para verificar não só o formato dos e-mails digitados, mas também verifica se há registros DNS do tipo MX para o domínio informado no email
dns  email  mx  plugin  rails  validação 
may 2009 by rtopitt
Space Babies BV - dnsbl_check
This Rails plugin checks http clients against DNS Blackhole Lists. This completely stops spam on web applications. It is multithreaded and used on busy production systems.
black_list  dns  plugin  rails  spam  webapp  security 
may 2009 by rtopitt
Instalando e configurando um servidor proxy com o Ubuntu Server - Em menos de duas horas! « GuraveHaato desu ka?
Guia de instalação do squid, sarg, dansguardian, iptables, snort, guardian, bind e mais no Ubuntu Server
dns  firewall  how-to  ids  linux  proxy  ubuntu  network  server 
may 2009 by rtopitt

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