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Technical data of the davidpashley.com

Geo IP provides you such as latitude, longitude and ISP (Internet Service Provider) etc. informations. Our GeoIP service found where is host davidpashley.com. Currently, hosted in Germany and its service provider is Hetzner Online AG .

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HTTP Header Analysis

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DNS

HtmlToText

david pashley.com home articles dial on demand with wvdial writing robust bash shell scripts postgresql user administration network troubleshooting becoming a x.509 certificate authority automatic proxy configuration with wpad ldap basics bash prompts about nullpointerexceptions in xerces-j january 18, 2016 xerces is an xml library for several languages, but if a very common library in java. i recently came across a problem with code intermittently throwing a nullpointerexception inside the library: java.lang.nullpointerexception at org.apache.xerces.dom.parentnode.nodelistitem(unknown source) at org.apache.xerces.dom.parentnode.item(unknown source) at com.example.xml.element.getchildren(element.java:377) at com.example.xml.element.newchildelementhelper(element.java:229) at com.example.xml.element.newchildelement(element.java:180) … you may also find the nullpointerexception in parentnode.nodelistgetlength() and other locations in parentnode. debugging this was not helped by the fact that the xercesimpl.jar is stripped of line numbers , so i couldn’t find the exact issue. after some searching, it appeared that the issue was down to the fact that xerces is not thread-safe. parentnode caches iterations through the nodelist of children to speed up performance and stores them in the node’s document object. in multi-threaded applications, this can lead to race conditions and nullpointerexceptions. and because it’s a threading issue, the problem is intermittent and hard to track down. the solution is to synchronise your code on the dom, and this means the document object, everywhere you access the nodes. i’m not certain exactly which methods need to be protected, but i believe it needs to be at least any function that will iterate a nodelist. i would start by protecting every access and testing performance, and removing some if needed. /** * returns the concatenation of all the text in all child nodes * of the current element. */ public string gettext ( ) { stringbuilder result = new stringbuilder ( ) ; synchronized ( m_element. getownerdocument ( ) ) { nodelist nl = m_element. getchildnodes ( ) ; for ( int i = 0 ; i < nl. getlength ( ) ; i ++ ) { node n = nl. item ( i ) ; if ( n != null && n. getnodetype ( ) == org. w3c . dom . node . text_node ) { result. append ( ( ( characterdata ) n ) . getdata ( ) ) ; } } } return result. tostring ( ) ; } notice the “synchronized ( m_element.getownerdocument()) {}” block around the section that deals with the dom. the npe would normally be thrown on the nl.getlength() or nl.item() calls. since putting in the synchronized blocks, we’ve gone from having 78 npes between 2:30am and 3:00am, to having zero in the last 12 hours, so i think it’s safe to say, this has drastically reduced the problem. java java xerces 2 replies working with development servers april 23, 2014 i can’t believe that this is not a solved problem by now, but my google-fu is failing me. i’m looking for a decent, working extension for chrome that can redirect a list of hosts to a different server while setting the host: header to the right address. everything i’ve found so far assumes that you’re running the servers on different urls. i’m using the same url on different servers and don’t want to mess around with /etc/hosts. please tell me something exists to do this? computing 5 replies bad password policies april 16, 2014 after the whole heartbleed fiasco, i’ve decided to continue my march towards improving my online security. i’d already begun the process of using lastpass to store my passwords and generate random passwords for each site, but i hadn’t completed the process, with some sites still using the same passwords, and some having less than ideal strength passwords, so i spent some time today improving my password position. here’s some of the bad examples of password policy i’ve discovered today. first up we have live.com. a maximum of 16 characters from the microsoft auth service. seems to accept any character though. this excellent example is from creditexpert.co.uk, one of the credit agencies here in the uk. they not only restrict to 20 characters, they restrict you to @, ., _ or |. so much for teaching people how to protect themselves online. here’s tesco.com after attempting to change my password to “qvhn#9#kdd%cdpaq4&b&acb4x%48#b”. if you can figure out how this violates their rules, i’d love to know. and before you ask, i tried without numbers and that still failed so it can’t be the “three and only three” thing. the only other idea might be that they meant “‘i.e.” rather than “e.g.”, but i didn’t test that. edit: here is a response from tesco on twitter: here’s a poor choice from ft.com, refusing to accept non-alphanumeric characters. on the plus side they did allow the full 30 characters in the password. the finest example of a poor security policy is a company who will remain nameless due to their utter lack of security. not only did they not use https, they accepted a 30 character password and silently truncated it to 20 characters. the reason i know this is because when i logged out and tried to log in again and then used the “forgot my password” option, they emailed me the password in plain text. i have also been setting up two-factor authentication where possible. most sites use the google authenticator application on your mobile to give you a 6 digit code to type in in addition to your password. i highly recommend you set it up too. there’s a useful list of sites that implement 2fa and links to their documentation at http://twofactorauth.org/ . i realise that my choice lastpass requires me to trust them, but i think the advantages outweigh the disadvantages of having many sites using the same passwords and/or low strength passwords. i know various people cleverer than me have looked into their system and failed to find any obvious flaws. remember people, when you implement a password, allow the following things: any length of password. you don’t have to worry about length in your database, because when you hash the password, it will be a fixed length. you are hashing your passwords aren’t you? any character. the more possible characters that can be in your passwords, the harder it will be to brute force, as you are increasing the number of permutations a hacker needs to try. if you are going to place restrictions, please make sure the documentation matches the implementation, provide a client-side implementation to match and provide quick feedback to the user, and make sure you explicitly say what is wrong with the password, rather than referring back to the incorrect documentation. there are also many js password strength meters available to show how secure the inputted passwords are. they are possibly a better way of providing feedback about security than having arbitrary policies that actually harm your security. as someone said to me on twitter, it’s not like “password is too strong” was ever a bad thing. computing 21 replies a new chapter september 23, 2013 it’s been a while since i posted anything to my personal site, but i figured i should update with the news that i’m leaving brighton (and the uk) after nearly nine years living by the seaside. i’ll be sad to leave this city, which is the greatest place to live in the country, but i have to opportunity to go explore the world and i’d be crazy to let it pass me by. so what am i doing? in ten short days, i plan to sell all my possessions bar those i need to live and work day to day and will be moving to spain for three months. i’m renting a flat in madrid, where i’ll continue to work for my software development business and set about improving both my spanish and my fitness. if you want to follow my adventures, or read about the reasons for my change, then check out the experimental nomad website. life , uncategorized leave a reply multiple crimes january 29, 2011 mysql> select "a" = "a"; +-----------+ | "a" = "a" | +-----------+ | 1 | +-----------+

URL analysis for davidpashley.com

https://www.davidpashley.com/about/
https://www.davidpashley.com/blog/tags/xerces/
https://www.davidpashley.com/category/politics/
http://www.davidpashley.com/wp-content/uploads/sites/2/2014/04/screenshot-from-2014-04-15-173828.png
https://www.davidpashley.com/category/uncategorized/
http://www.davidpashley.com/wp-content/uploads/sites/2/2014/04/screenshot-from-2014-04-15-213657.png
https://www.davidpashley.com/2009/12/08/printer-conversation/
https://www.davidpashley.com/articles/becoming-a-x-509-certificate-authority/
https://www.davidpashley.com/blog/tags/java/
https://www.davidpashley.com/#toggle-menu
https://www.davidpashley.com/page/3/
https://www.davidpashley.com/2010/03/07/mod_fastcgi/
https://www.davidpashley.com/page/5/
https://www.davidpashley.com/2016/01/18/nullpointerexceptions-in-xerces-j/
https://www.davidpashley.com/articles/

Whois Information

Whois is a protocol that is access to registering information. You can reach when the website was registered, when it will be expire, what is contact details of the site with the following informations. In a nutshell, it includes these informations;

Domain Name: DAVIDPASHLEY.COM
Registry Domain ID: 2989135_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.tucows.com
Registrar URL: http://www.tucowsdomains.com
Updated Date: 2017-09-11T07:00:42Z
Creation Date: 1999-01-09T05:00:00Z
Registry Expiry Date: 2018-01-09T05:00:00Z
Registrar: Tucows Domains Inc.
Registrar IANA ID: 69
Registrar Abuse Contact Email:
Registrar Abuse Contact Phone:
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.MYTHIC-BEASTS.COM
Name Server: NS2.MYTHIC-BEASTS.COM
DNSSEC: signedDelegation
DNSSEC DS Data: 4719 10 2 E2533673C5B1E0537838FE5E350E3FE37FD1A5061E1737D20372485DF2F828BF
DNSSEC DS Data: 60171 10 2 D62B12C132F3B3D307C9720019166043BBD3B3C6749AEA6F960AE0CE0A2FE6EA
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2017-09-19T10:42:44Z <<<

For more information on Whois status codes, please visit https://icann.org/epp

NOTICE: The expiration date displayed in this record is the date the
registrar's sponsorship of the domain name registration in the registry is
currently set to expire. This date does not necessarily reflect the expiration
date of the domain name registrant's agreement with the sponsoring
registrar. Users may consult the sponsoring registrar's Whois database to
view the registrar's reported date of expiration for this registration.

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The Registry database contains ONLY .COM, .NET, .EDU domains and
Registrars.

  REGISTRAR Tucows Domains Inc.

SERVERS

  SERVER com.whois-servers.net

  ARGS domain =davidpashley.com

  PORT 43

  TYPE domain

DOMAIN

  NAME davidpashley.com

  CHANGED 2017-09-11

  CREATED 1999-01-09

STATUS
ok https://icann.org/epp#ok

NSERVER

  NS1.MYTHIC-BEASTS.COM 45.33.127.156

  NS2.MYTHIC-BEASTS.COM 93.93.128.67

  REGISTERED yes

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