MOSS 2007 by default blocks certain file extensions, as documented here:
http://office.microsoft.com/en-us/winsharepointadmin/HA011608011033.aspx
SharePoint 2010 blocks the same file extensions as MOSS 2007, but also adds six new file types:
| ps1 |
| ps1xml |
| ps2 |
| ps2xml |
| psc1 |
| psc2 |
Here’s a full list of file extensions blocked by default in SharePoint 2010 (as copied from Central Administration):
| ade |
| adp |
| app |
| asa |
| ashx |
| asmx |
| asp |
| bas |
| bat |
| cdx |
| cer |
| chm |
| class |
| cmd |
| cnt |
| com |
| config |
| cpl |
| crt |
| csh |
| der |
| dll |
| exe |
| fxp |
| gadget |
| hlp |
| hpj |
| hta |
| htr |
| htw |
| ida |
| idc |
| idq |
| ins |
| isp |
| its |
| jse |
| ksh |
| lnk |
| mad |
| maf |
| mag |
| mam |
| maq |
| mar |
| mas |
| mat |
| mau |
| mav |
| maw |
| mda |
| mdb |
| mde |
| mdt |
| mdw |
| mdz |
| msc |
| msh |
| msh1 |
| msh1xml |
| msh2 |
| msh2xml |
| mshxml |
| msi |
| msp |
| mst |
| ops |
| pcd |
| pif |
| prf |
| prg |
| printer |
| ps1 |
| ps1xml |
| ps2 |
| ps2xml |
| psc1 |
| psc2 |
| pst |
| reg |
| rem |
| scf |
| scr |
| sct |
| shb |
| shs |
| shtm |
| shtml |
| soap |
| stm |
| url |
| vb |
| vbe |
| vbs |
| ws |
| wsc |
| wsf |
| wsh |
The SharePoint Nomad 