Mobile Channels support for security protocols is described in the following table.
| Security protocol | Palm-size PC | H/PC (2.0) |
| SSL2 | No—Mobile Channels supports offline viewing | No—Mobile Channels supports offline viewing |
| SSL3 | No—Mobile Channels supports offline viewing | No—Mobile Channels supports offline viewing |
| PCT | No—Mobile Channels supports offline viewing | No—Mobile Channels supports offline viewing |
Note Not all standard tag attributes are supported. For more information about supported attributes, see Mobile Channels Design Guidelines.