HTTP文件头:
3gp
video
/
3gppaab
application
/
x
-
authoware
-
bin
aam application
/
x
-
authoware
-
map
aas application
/
x
-
authoware
-
seg
ai application
/
postscript
aif audio
/
x
-
aiff
aifc audio
/
x
-
aiff
aiff audio
/
x
-
aiff
als audio
/
X
-
Alpha5
amc application
/
x
-
mpeg
ani application
/
octet
-
stream
asc text
/
plain
asd application
/
astound
asf video
/
x
-
ms
-
asf
asn application
/
astound
asp application
/
x
-
asap
asx video
/
x
-
ms
-
asf
au audio
/
basic
avb application
/
octet
-
stream
avi video
/
x
-
msvideo
awb audio
/
amr
-
wb
bcpio application
/
x
-
bcpio
bin
application
/
octet
-
stream
bld application
/
bld
bld2 application
/
bld2
bmp application
/
x
-
MS
-
bmp
bpk application
/
octet
-
stream
bz2 application
/
x
-
bzip2
cal image
/
x
-
cals
ccn application
/
x
-
cnc
cco application
/
x
-
cocoa
cdf application
/
x
-
netcdf
cgi magnus
-
internal
/
cgi
chat application
/
x
-
chat
class
application
/
octet
-
stream
clp application
/
x
-
msclip
cmx application
/
x
-
cmx
co application
/
x
-
cult3d
-
object
cod image
/
cis
-
cod
cpio application
/
x
-
cpio
cpt application
/
mac
-
compactpro
crd application
/
x
-
mscardfile
csh application
/
x
-
csh
csm chemical
/
x
-
csml
csml chemical
/
x
-
csml
css text
/
css
cur application
/
octet
-
stream
dcm x
-
lml
/
x
-
evm
dcr application
/
x
-
director
dcx image
/
x
-
dcx
dhtml text
/
html
dir
application
/
x
-
director
dll application
/
octet
-
stream
dmg application
/
octet
-
stream
dms application
/
octet
-
stream
doc application
/
msword
dot application
/
x
-
dot
dvi application
/
x
-
dvi
dwf drawing
/
x
-
dwf
dwg application
/
x
-
autocad
dxf application
/
x
-
autocad
dxr application
/
x
-
director
ebk application
/
x
-
expandedbook
emb chemical
/
x
-
embl
-
dl
-
nucleotide
embl chemical
/
x
-
embl
-
dl
-
nucleotide
eps application
/
postscript
eri image
/
x
-
eri
es audio
/
echospeech
esl audio
/
echospeech
etc application
/
x
-
earthtime
etx text
/
x
-
setext
evm x
-
lml
/
x
-
evm
evy application
/
x
-
envoy
exe application
/
octet
-
stream
fh4 image
/
x
-
freehand
fh5 image
/
x
-
freehand
fhc image
/
x
-
freehand
fif image
/
fif
fm application
/
x
-
maker
fpx image
/
x
-
fpx
fvi video
/
isivideo
gau chemical
/
x
-
gaussian
-
input
gca application
/
x
-
gca
-
compressed
gdb x
-
lml
/
x
-
gdb
gif image
/
gif
gps application
/
x
-
gps
gtar application
/
x
-
gtar
gz application
/
x
-
gzip
hdf application
/
x
-
hdf
hdm text
/
x
-
hdml
hdml text
/
x
-
hdml
hlp application
/
winhlp
hqx application
/
mac
-
binhex40
htm text
/
html
html text
/
html
hts text
/
html
ice x
-
conference
/
x
-
cooltalk
ico application
/
octet
-
stream
ief image
/
ief
ifm image
/
gif
ifs image
/
ifs
imy audio
/
melody
ins application
/
x
-
NET
-
Install
ips application
/
x
-
ipscript
ipx application
/
x
-
ipix
it audio
/
x
-
mod
itz audio
/
x
-
mod
ivr i
-
world
/
i
-
vrml
j2k image
/
j2k
jad text
/
vnd.sun.j2me.app
-
descriptor
jam application
/
x
-
jam
jar application
/
java
-
archive
jnlp application
/
x
-
java
-
jnlp
-
file
jpe image
/
jpeg
jpeg image
/
jpeg
jpg image
/
jpeg
jpz image
/
jpeg
js application
/
x
-
javascript
jwc application
/
jwc
kjx application
/
x
-
kjx
lak x
-
lml
/
x
-
lak
latex application
/
x
-
latex
lcc application
/
fastman
lcl application
/
x
-
digitalloca
lcr application
/
x
-
digitalloca
lgh application
/
lgh
lha application
/
octet
-
stream
lml x
-
lml
/
x
-
lml
lmlpack x
-
lml
/
x
-
lmlpack
lsf video
/
x
-
ms
-
asf
lsx video
/
x
-
ms
-
asf
lzh application
/
x
-
lzh
m13 application
/
x
-
msmediaview
m14 application
/
x
-
msmediaview
m15 audio
/
x
-
mod
m3u audio
/
x
-
mpegurl
m3url audio
/
x
-
mpegurl
ma1 audio
/
ma1
ma2 audio
/
ma2
ma3 audio
/
ma3
ma5 audio
/
ma5
man application
/
x
-
troff
-
man
map
magnus
-
internal
/
imagemap
mbd application
/
mbedlet
mct application
/
x
-
mascot
mdb application
/
x
-
msaccess
mdz audio
/
x
-
mod
me application
/
x
-
troff
-
me
mel text
/
x
-
vmel
mi application
/
x
-
mif
mid audio
/
midi
midi audio
/
midi
mif application
/
x
-
mif
mil image
/
x
-
cals
mio audio
/
x
-
mio
mmf application
/
x
-
skt
-
lbs
mng video
/
x
-
mng
mny application
/
x
-
msmoney
moc application
/
x
-
mocha
mocha application
/
x
-
mocha
mod audio
/
x
-
mod
mof application
/
x
-
yumekara
mol chemical
/
x
-
mdl
-
molfile
mop chemical
/
x
-
mopac
-
input
mov video
/
quicktime
movie video
/
x
-
sgi
-
movie
mp2 audio
/
x
-
mpeg
mp3 audio
/
x
-
mpeg
mp4 video
/
mp4
mpc application
/
vnd.mpohun.certificate
mpe video
/
mpeg
mpeg video
/
mpeg
mpg video
/
mpeg
mpg4 video
/
mp4
mpga audio
/
mpeg
mpn application
/
vnd.mophun.application
mpp application
/
vnd.ms
-
project
mps application
/
x
-
mapserver
mrl text
/
x
-
mrml
mrm application
/
x
-
mrm
ms application
/
x
-
troff
-
ms
mts application
/
metastream
mtx application
/
metastream
mtz application
/
metastream
mzv application
/
metastream
nar application
/
zip
nbmp image
/
nbmp
nc application
/
x
-
netcdf
ndb x
-
lml
/
x
-
ndb
ndwn application
/
ndwn
nif application
/
x
-
nif
nmz application
/
x
-
scream
nokia
-
op
-
logo image
/
vnd.nok
-
oplogo
-
color
npx application
/
x
-
netfpx
nsnd audio
/
nsnd
nva application
/
x
-
neva1
oda application
/
oda
oom application
/
x
-
AtlasMate
-
Plugin
pac audio
/
x
-
pac
pae audio
/
x
-
epac
pan application
/
x
-
pan
pbm image
/
x
-
portable
-
bitmap
pcx image
/
x
-
pcx
pda image
/
x
-
pda
pdb chemical
/
x
-
pdb
pdf application
/
pdf
pfr application
/
font
-
tdpfr
pgm image
/
x
-
portable
-
graymap
pict image
/
x
-
pict
pm application
/
x
-
perl
pmd application
/
x
-
pmd
png image
/
png
pnm image
/
x
-
portable
-
anymap
pnz image
/
png
pot application
/
vnd.ms
-
powerpoint
ppm image
/
x
-
portable
-
pixmap
pps application
/
vnd.ms
-
powerpoint
ppt application
/
vnd.ms
-
powerpoint
pqf application
/
x
-
cprplayer
pqi application
/
cprplayer
prc application
/
x
-
prc
proxy application
/
x
-
ns
-
proxy
-
autoconfig
ps application
/
postscript
ptlk application
/
listenup
pub application
/
x
-
mspublisher
pvx video
/
x
-
pv
-
pvx
qcp audio
/
vnd.qcelp
qt video
/
quicktime
qti image
/
x
-
quicktime
qtif image
/
x
-
quicktime
r3t text
/
vnd.rn
-
realtext3d
ra audio
/
x
-
pn
-
realaudio
ram audio
/
x
-
pn
-
realaudio
rar application
/
x
-
rar
-
compressed
ras image
/
x
-
cmu
-
raster
rdf application
/
rdf
+
xml
rf image
/
vnd.rn
-
realflash
rgb image
/
x
-
rgb
rlf application
/
x
-
richlink
rm audio
/
x
-
pn
-
realaudio
rmf audio
/
x
-
rmf
rmm audio
/
x
-
pn
-
realaudio
rmvb audio
/
x
-
pn
-
realaudio
rnx application
/
vnd.rn
-
realplayer
roff application
/
x
-
troff
rp image
/
vnd.rn
-
realpix
rpm audio
/
x
-
pn
-
realaudio
-
plugin
rt text
/
vnd.rn
-
realtext
rte x
-
lml
/
x
-
gps
rtf application
/
rtf
rtg application
/
metastream
rtx text
/
richtext
rv video
/
vnd.rn
-
realvideo
rwc application
/
x
-
rogerwilco
s3m audio
/
x
-
mod
s3z audio
/
x
-
mod
sca application
/
x
-
supercard
scd application
/
x
-
msschedule
sdf application
/
e
-
score
sea application
/
x
-
stuffit
sgm text
/
x
-
sgml
sgml text
/
x
-
sgml
sh application
/
x
-
sh
shar application
/
x
-
shar
shtml magnus
-
internal
/
parsed
-
html
shw application
/
presentations
si6 image
/
si6
si7 image
/
vnd.stiwap.sis
si9 image
/
vnd.lgtwap.sis
sis application
/
vnd.symbian.install
sit application
/
x
-
stuffit
skd application
/
x
-
Koan
skm application
/
x
-
Koan
skp application
/
x
-
Koan
skt application
/
x
-
Koan
slc application
/
x
-
salsa
smd audio
/
x
-
smd
smi application
/
smil
smil application
/
smil
smp application
/
studiom
smz audio
/
x
-
smd
snd audio
/
basic
spc text
/
x
-
speech
spl application
/
futuresplash
spr application
/
x
-
sprite
sprite application
/
x
-
sprite
spt application
/
x
-
spt
src application
/
x
-
wais
-
source
stk application
/
hyperstudio
stm audio
/
x
-
mod
sv4cpio application
/
x
-
sv4cpio
sv4crc application
/
x
-
sv4crc
svf image
/
vnd
svg image
/
svg
-
xml
svh image
/
svh
svr x
-
world
/
x
-
svr
swf application
/
x
-
shockwave
-
flash
swfl application
/
x
-
shockwave
-
flash
t application
/
x
-
troff
tad application
/
octet
-
stream
talk text
/
x
-
speech
tar application
/
x
-
tar
taz application
/
x
-
tar
tbp application
/
x
-
timbuktu
tbt application
/
x
-
timbuktu
tcl application
/
x
-
tcl
tex application
/
x
-
tex
texi application
/
x
-
texinfo
texinfo application
/
x
-
texinfo
tgz application
/
x
-
tar
thm application
/
vnd.eri.thm
tif image
/
tiff
tiff image
/
tiff
tki application
/
x
-
tkined
tkined application
/
x
-
tkined
toc application
/
toc
toy image
/
toy
tr application
/
x
-
troff
trk x
-
lml
/
x
-
gps
trm application
/
x
-
msterminal
tsi audio
/
tsplayer
tsp application
/
dsptype
tsv text
/
tab
-
separated
-
values
tsv text
/
tab
-
separated
-
values
ttf application
/
octet
-
stream
ttz application
/
t
-
time
txt text
/
plain
ult audio
/
x
-
mod
ustar application
/
x
-
ustar
uu application
/
x
-
uuencode
uue application
/
x
-
uuencode
vcd application
/
x
-
cdlink
vcf text
/
x
-
vcard
vdo video
/
vdo
vib audio
/
vib
viv video
/
vivo
vivo video
/
vivo
vmd application
/
vocaltec
-
media
-
desc
vmf application
/
vocaltec
-
media
-
file
vmi application
/
x
-
dreamcast
-
vms
-
info
vms application
/
x
-
dreamcast
-
vms
vox audio
/
voxware
vqe audio
/
x
-
twinvq
-
plugin
vqf audio
/
x
-
twinvq
vql audio
/
x
-
twinvq
vre x
-
world
/
x
-
vream
vrml x
-
world
/
x
-
vrml
vrt x
-
world
/
x
-
vrt
vrw x
-
world
/
x
-
vream
vts workbook
/
formulaone
wav audio
/
x
-
wav
wax audio
/
x
-
ms
-
wax
wbmp image
/
vnd.wap.wbmp
web application
/
vnd.xara
wi image
/
wavelet
wis application
/
x
-
InstallShield
wm video
/
x
-
ms
-
wm
wma audio
/
x
-
ms
-
wma
wmd application
/
x
-
ms
-
wmd
wmf application
/
x
-
msmetafile
wml text
/
vnd.wap.wml
wmlc application
/
vnd.wap.wmlc
wmls text
/
vnd.wap.wmlscript
wmlsc application
/
vnd.wap.wmlscriptc
wmlscript text
/
vnd.wap.wmlscript
wmv audio
/
x
-
ms
-
wmv
wmx video
/
x
-
ms
-
wmx
wmz application
/
x
-
ms
-
wmz
wpng image
/
x
-
up
-
wpng
wpt x
-
lml
/
x
-
gps
wri application
/
x
-
mswrite
wrl x
-
world
/
x
-
vrml
wrz x
-
world
/
x
-
vrml
ws text
/
vnd.wap.wmlscript
wsc application
/
vnd.wap.wmlscriptc
wv video
/
wavelet
wvx video
/
x
-
ms
-
wvx
wxl application
/
x
-
wxl
x
-
gzip application
/
x
-
gzip
xar application
/
vnd.xara
xbm image
/
x
-
xbitmap
xdm application
/
x
-
xdma
xdma application
/
x
-
xdma
xdw application
/
vnd.fujixerox.docuworks
xht application
/
xhtml
+
xml
xhtm application
/
xhtml
+
xml
xhtml application
/
xhtml
+
xml
xla application
/
vnd.ms
-
excel
xlc application
/
vnd.ms
-
excel
xll application
/
x
-
excel
xlm application
/
vnd.ms
-
excel
xls application
/
vnd.ms
-
excel
xlt application
/
vnd.ms
-
excel
xlw application
/
vnd.ms
-
excel
xm audio
/
x
-
mod
xml text
/
xml
xmz audio
/
x
-
mod
xpi application
/
x
-
xpinstall
xpm image
/
x
-
xpixmap
xsit text
/
xml
xsl text
/
xml
xul text
/
xul
xwd image
/
x
-
xwindowdump
xyz chemical
/
x
-
pdb
yz1 application
/
x
-
yz1
z application
/
x
-
compress
zac application
/
x
-
zaurus
-
zac
zip
application
/
zip