Category Archives: Web Trends

HTTP status codes

The following is a list of HyperText Transfer Protocol (HTTP) response status codes and standard associated phrases, intended to give a short textual description of the status. Microsoft IIS servers may also use sub-codes, which are not listed here. Others are unstandardised but commonly used.

The first digit of the status code specifies one of five classes of response. The phrases used are the standard examples, but any human-readable alternative can be provided.

1xx Informational


Request received, continuing process.

This class of status code indicates a provisional response, consisting only of the Status-Line and optional headers, and is terminated by an empty line. Since HTTP/1.0 did not define any 1xx status codes, servers must not send a 1xx response to an HTTP/1.0 client except under experimental conditions.

100 Continue

This means that the server has received the request headers, and that the client should proceed to send the request body (in the case of a request for which a body needs to be sent; for example, a POST request). If the request body is large, sending it to a server when a request has already been rejected based upon inappropriate headers is inefficient. To have a server check if the request could be accepted based on the request’s headers alone, a client must send Expect: 100-continue as a header in its initial request and check if a 100 Continue status code is received in response before continuing (or receive 417 Expectation Failed and not continue).
101 Switching Protocols

102 Processing (WebDAV)

122 Request-URI too long

A Microsoft extension which occurs only in IE7, when the request URI is longer than 2032 characters.

2xx Success


The action was successfully received, understood, and accepted.

This class of status code indicates that the client’s request was successfully received, understood, and accepted.

200 OK

Standard response for successful HTTP requests. The actual response will depend on the request method used. In a GET request, the response will contain an entity corresponding to the requested resource. In a POST request the response will contain an entity describing or containing the result of the action.
201 Created

The request has been fulfilled and resulted in a new resource being created.

202 Accepted

The request has been accepted for processing, but the processing has not been completed. The request might or might not eventually be acted upon, as it might be disallowed when processing actually takes place.
203 Non-Authoritative Information (since HTTP/1.1)

204 No Content

205 Reset Content

206 Partial Content

The server is serving only part of the resource due to a range header sent by the client. This is used by tools like wget to enable resuming of interrupted downloads, or split a download into multiple simultaneous streams.
207 Multi-Status (WebDAV)

The message body that follows is an XML message and can contain a number of separate response codes, depending on how many sub-requests were made.

3xx Redirection


The client must take additional action to complete the request.

This class of status code indicates that further action needs to be taken by the user agent in order to fulfil the request. The action required may be carried out by the user agent without interaction with the user if and only if the method used in the second request is GET or HEAD. A user agent should not automatically redirect a request more than five times, since such redirections usually indicate an infinte loop.

300 Multiple Choices

Indicates multiple options for the resource that the client may follow. It, for instance, could be used to present different format options for video, list files with different extensions, or word sense disambiguation.
301 Moved Permanently

This and all future requests should be directed to the given URI.

302 Found

This is the most popular redirect code, but also an example of industrial practice contradicting the standard. HTTP/1.0 specification required the client to perform a temporary redirect (the original describing phrase was “Moved Temporarily”), but popular browsers implemented it as a 303 See Other. Therefore, HTTP/1.1 added status codes 303 and 307 to disambiguate between the two behaviours. However, the majority of Web applications and frameworks still use the 302 status code as if it were the 303.
303 See Other (since HTTP/1.1)

The response to the request can be found under another URI using a GET method. When received in response to a PUT, it should be assumed that the server has received the data and the redirect should be issued with a separate GET message.
304 Not Modified

Indicates the resource has not been modified since last requested. Typically, the HTTP client provides a header like the If-Modified-Since header to provide a time against which to compare. Utilizing this saves bandwidth and reprocessing on both the server and client.
305 Use Proxy (since HTTP/1.1)

Many HTTP clients (such as Mozilla and Internet Explorer) do not correctly handle responses with this status code, primarily for security reasons.
306 Switch Proxy

No longer used.

307 Temporary Redirect (since HTTP/1.1)

In this occasion, the request should be repeated with another URI, but future requests can still use the original URI. In contrast to 303, the request method should not be changed when reissuing the original request. For instance, a POST request must be repeated using another POST request.

4xx Client Error


The request contains bad syntax or cannot be fulfilled.

The 4xx class of status code is intended for cases in which the client seems to have erred. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and whether it is a temporary or permanent condition. These status codes are applicable to any request method. User agents should display any included entity to the user. These are typically the most common error codes encountered while online.

400 Bad Request

The request contains bad syntax or cannot be fulfilled.

401 Unauthorized

Similar to 403 Forbidden, but specifically for use when authentication is possible but has failed or not yet been provided.
402 Payment Required

The original intention was that this code might be used as part of some form of digital cash or micropayment scheme, but that has not happened, and this code has never been used.
403 Forbidden

The request was a legal request, but the server is refusing to respond to it. Unlike a 401 Unauthorized response, authenticating will make no difference.
404 Not Found  

The requested resource could not be found but may be available again in the future. Subsequent requests by the client are permissible.
405 Method Not Allowed

A request was made of a resource using a request method not supported by that resource; for example, using GET on a form which requires data to be presented via POST, or using PUT on a read-only resource.
406 Not Acceptable

407 Proxy Authentication Required

408 Request Timeout

Client failed to continue the request

409 Conflict

Indicates that the request could not be processed because of conflict in the request, such as an edit conflict. This kind of response is also generated by a registrar server to reject a registration request which has a conflicting action parameter.
410 Gone

Indicates that the resource requested is no longer available and will not be available again. This should be used when a resource has been intentionally removed; however, it is not necessary to return this code and a 404 Not Found can be issued instead. Upon receiving a 410 status code, the client should not request the resource again in the future. Clients such as search engines should remove the resource from their indexes.
411 Length Required

The request did not specify the length of its content, which is required by the requested resource.
412 Precondition Failed

413 Request Entity Too Large

The resource that was requested is too large to transmit using the current protocol.
414 Request-URI Too Long

The URI provided was too long for the server to process.

415 Unsupported Media Type

The request did not specify any media types that the server or resource supports. For example the client specified that an image resource should be served as image/svg+xml, but the server cannot find a matching version of the image.
416 Requested Range Not Satisfiable

The client has asked for a portion of the file, but the server cannot supply that portion (for example, if the client asked for a part of the file that lies beyond the end of the file).
417 Expectation Failed

418 I’m a teapot

The HTCPCP server is a teapot. The responding entity MAY be short and stout. Defined by the April Fools’ specification .
422 Unprocessable Entity (WebDAV)

The request was well-formed but was unable to be followed due to semantic errors.
423 Locked (WebDAV)

The resource that is being accessed is locked

424 Failed Dependency (WebDAV)

The request failed due to failure of a previous request (e.g. a PROPPATCH).

425 Unordered Collection

Defined in drafts of WebDav Advanced Collections, but not present in “Web Distributed Authoring and Versioning (WebDAV) Ordered Collections Protocol” .
426 Upgrade Required

The client should switch to TLS/1.0.

449 Retry With

A Microsoft extension. The request should be retried after doing the appropriate action.
450 Blocked

A Microsoft extension. Used for blocking sites with Windows Parental Controls.

5xx Server Error


The server failed to fulfil an apparently valid request.

Response status codes beginning with the digit “5” indicate cases in which the server is aware that it has encountered an error or is otherwise incapable of performing the request. Except when responding to a HEAD request, the server should include an entity containing an explanation of the error situation, and indicate whether it is a temporary or permanent condition. Likewise, user agents should display any included entity to the user. These response codes are applicable to any request method.

500 Internal Server Error

A generic error message, given when no more specific message is suitable.
501 Not Implemented

The server either does not recognise the request method, or it lacks the ability to fulfil the request.
502 Bad Gateway

503 Service Unavailable

504 Gateway Timeout

505 HTTP Version Not Supported

506 Variant Also Negotiates

507 Insufficient Storage (WebDAV)

509 Bandwidth Limit Exceeded (Apache bw/limited extension)

This status code, while used by many servers, is not specified in any RFCs.

510 Not Extended

Further extensions to the request are required for the server to fulfil it.
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Top 500 Worst Passwords of All Time

From the moment people started using passwords, it didn’t take long to realize how many people picked the very same passwords over and over. Even the way people misspell words is consistent. In fact, people are so predictable that most hackers make use of lists of common passwords just like these. To give you some insight into how predictable humans are the following is a list of the 500 most common passwords. If you see your password on this list, please change it immediately. Keep in mind that every password listed here has been used by at least hundreds if not thousands of other people.

There are some interesting passwords on this list that show how people try to be clever, but even human cleverness is predictable. For example, look at these passwords that I found interesting:

ncc1701           The ship number for the Starship Enterprise
thx1138           The name of George Lucas’s first movie, a 1971 remake of an earlier student project
qazwsx            Follows a simple pattern when typed on a typical keyboard
666666            Six sixes
7777777         Seven sevens
ou812               The title of a 1988 Van Halen album
8675309       The number mentioned in the 1982 Tommy Tutone song. The song supposedly caused an epidemic of people dialing 867- 5309 and asking for “Jenny”

“…Approximately one out of every nine people uses at least one password on the list shown in Table and one out of every 50 people uses/ used one of the top 20 worst passwords once in a while…”

Lists the top 500 worst passwords of all time, not considering character case. Don’t blame me for the offensive words; you were the ones who picked these, not me.

NO

Top 1-100

Top 101–200

Top 201–300

Top 301–400

Top 401–500

1

123456

porsche

firebird

prince

Rosebud

2

password

guitar

butter

beach

Jaguar

3

12345678

chelsea

united

amateur

Great

4

1234

black

turtle

7777777

Cool

5

pussy

diamond

steelers

muffin

Cooper

6

12345

nascar

tiffany

redsox

1313

7

dragon

jackson

zxcvbn

star

Scorpio

8

qwerty

cameron

tomcat

testing

Mountain

9

696969

654321

golf

shannon

Madison

10

mustang

computer

bond007

murphy

987654

11

letmein

amanda

bear

frank

Brazil

12

baseball

wizard

tiger

hannah

Lauren

13

master

xxxxxxxx

doctor

dave

Japan

14

michael

money

gateway

eagle1

Naked

15

football

phoenix

gators

11111

Squirt

16

shadow

mickey

angel

mother

Stars

17

monkey

bailey

junior

nathan

Apple

18

abc123

knight

thx1138

raiders

Alexis

19

pass

iceman

porno

steve

Aaaa

20

fuckme

tigers

badboy

forever

Bonnie

21

6969

purple

debbie

angela

Peaches

22

jordan

andrea

spider

viper

Jasmine

23

harley

horny

melissa

ou812

Kevin

24

ranger

dakota

booger

jake

Matt

25

iwantu

aaaaaa

1212

lovers

Qwertyui

26

jennifer

player

flyers

suckit

Danielle

27

hunter

sunshine

fish

gregory

Beaver

28

fuck

morgan

porn

buddy

4321

29

2000

starwars

matrix

whatever

4128

30

test

boomer

teens

young

Runner

31

batman

cowboys

scooby

nicholas

Swimming

32

trustno1

edward

jason

lucky

Dolphin

33

thomas

charles

walter

helpme

Gordon

34

tigger

girls

cumshot

jackie

Casper

35

robert

booboo

boston

monica

Stupid

36

access

coffee

braves

midnight

Shit

37

love

xxxxxx

yankee

college

Saturn

38

buster

bulldog

lover

baby

Gemini

39

1234567

ncc1701

barney

cunt

Apples

40

soccer

rabbit

victor

brian

August

41

hockey

peanut

tucker

mark

3333

42

killer

john

princess

startrek

Canada

43

george

johnny

mercedes

sierra

Blazer

44

sexy

gandalf

5150

leather

Cumming

45

andrew

spanky

doggie

232323

Hunting

46

charlie

winter

zzzzzz

4444

Kitty

47

superman

brandy

gunner

beavis

Rainbow

48

asshole

compaq

horney

bigcock

112233

49

fuckyou

carlos

bubba

happy

Arthur

50

dallas

tennis

2112

sophie

Cream

51

jessica

james

fred

ladies

Calvin

52

panties

mike

johnson

naughty

Shaved

53

pepper

brandon

xxxxx

giants

Surfer

54

1111

fender

tits

booty

Samson

55

austin

anthony

member

blonde

Kelly

56

william

blowme

boobs

fucked

Paul

57

daniel

ferrari

donald

golden

Mine

58

golfer

cookie

bigdaddy

0

King

59

summer

chicken

bronco

fire

Racing

60

heather

maverick

penis

sandra

5555

61

hammer

chicago

voyager

pookie

Eagle

62

yankees

joseph

rangers

packers

Hentai

63

joshua

diablo

birdie

einstein

Newyork

64

maggie

sexsex

trouble

dolphins

Little

65

biteme

hardcore

white

0

Redwings

66

enter

666666

topgun

chevy

Smith

67

ashley

willie

bigtits

winston

Sticky

68

thunder

welcome

bitches

warrior

Cocacola

69

cowboy

chris

green

sammy

Animal

70

silver

panther

super

slut

Broncos

71

richard

yamaha

qazwsx

8675309

Private

72

fucker

justin

magic

zxcvbnm

Skippy

73

orange

banana

lakers

nipples

Marvin

74

merlin

driver

rachel

power

Blondes

75

michelle

marine

slayer

victoria

Enjoy

76

corvette

angels

scott

asdfgh

Girl

77

bigdog

fishing

2222

vagina

Apollo

78

cheese

david

asdf

toyota

Parker

79

matthew

maddog

video

travis

Qwert

80

121212

hooters

london

hotdog

Time

81

patrick

wilson

7777

paris

Sydney

82

martin

butthead

marlboro

rock

Women

83

freedom

dennis

srinivas

xxxx

Voodoo

84

ginger

fucking

internet

extreme

Magnum

85

blowjob

captain

action

redskins

Juice

86

nicole

bigdick

carter

erotic

Abgrtyu

87

sparky

chester

jasper

dirty

777777

88

yellow

smokey

monster

ford

Dreams

89

camaro

xavier

teresa

freddy

Maxwell

90

secret

steven

jeremy

arsenal

Music

91

dick

viking

11111111

access14

rush2112

92

falcon

snoopy

bill

wolf

Russia

93

taylor

blue

crystal

nipple

Scorpion

94

111111

eagles

peter

iloveyou

Rebecca

95

131313

winner

pussies

alex

Tester

96

123123

samantha

cock

florida

Mistress

97

bitch

house

beer

eric

Phantom

98

hello

miller

rocket

legend

Billy

99

scooter

flower

theman

movie

6666

100

please

jack

oliver

success

Albert

 

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