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Top Forums UNIX for Dummies Questions & Answers Apache's strange loading of .gif and .jpg images Post 302286522 by cbkihong on Wednesday 11th of February 2009 10:44:46 AM
Old 02-11-2009
Some Web hosts are known to block links to images from sites other than the originating web host. My understanding is that they do so by checking the "referer" HTTP header sent from browser while requesting the image, that is typically the full URL of the originating HTML page containing those references. This is commonly known as "hot-linking".

Are you sure you are not in this kind of hosting environment?
 

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img-intro(n)															      img-intro(n)

NAME
img-intro - Introduction to Img SYNOPSIS
package require Tk package require Img ?1.3? DESCRIPTION
Img is a Tk extension, adding support for many other Image formats, as listed below. The individual formats are described in more detail on their own pages. bmp Windows bitmap format. See img-bmp. gif The venerable graphics interchange format (with transparency, but without LZW. The latter due to patent issues). See img-gif. ico Windows icon files. See img-ico. jpeg The format for lossy compressed still pictures specified by the Joint Picture Experts Group. See img-jpeg. pcx Paintbrush image format. See img-pcx. pixmap While the other formats are handlers for the Tk photo image type this is a new image type for Tk. See img-pixmap. png Portable Network Graphics, successor to GIF. See img-png. ppm Portable Pixmaps. See img-ppm. ps Postscript and PDF (Portable document format). Requires an external application, ghostview, for its operation. See img-ps. sgi Native SGI format. See img-sgi. sun Sun raster images. See img-sun. tga Targa files. See img-tga. tiff Tagged Interchange File Format. See img-tiff. window ??? See img-window. xbm X Bitmaps. See img-xbm. xpm X Pixmaps. See img-xpm. This version only works with Tcl/Tk 8.2 or higher. If you are using Tk 8.1 or lower please stick with Img 1.2.4 (which is still available). And if you are using Tk4.2 or lower, please stick with Img 1.1.4 (which is also still available). SEE ALSO
img-bmp, img-gif, img-ico, img-jpeg, img-pcx, img-pixmap, img-png, img-ppm, img-ps, img-sgi, img-sun, img-tga, img-tiff, img-window, img- xbm, img-xpm KEYWORDS
bmp, gif, ico, image handling, jpeg, pcx, pdf, pixmap, png, postscript, ppm, ps, sgi, sun, tga, tiff, tk, window, xbm, xpm COPYRIGHT
Copyright (c) 1995-2003 Jan Nijtmans <nijtmans@users.sourceforge.com> Img 1.3 img-intro(n)
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