similar to: SYSLINUX PXE LOCALBOOT Bitlockers

Any deviation from the expected boot process will prevent BitLocker from accessing the volume key in the TPM. One reason this behavior exists is to prevent malicious code from being loaded (such as via booting first to CD / USB / PXE, loading malware, and then continuing to boot to Windows). So what's happening here is the deviation from firmware -> PXE -> HDD is detected and the volume

That's a great question, actually, I should have remembered to mention that! You can control what factors are used for the TPM's integrity check to release the bitlocker key on boot. Depending on whether your on a BIOS or EFI machine, there are slight differences, but definitely controllable by group policy. http://technet.microsoft.com/en-us/library/ee706521(v=ws.10).aspx#BKMK_depopt3 I

On Mon, Apr 28, 2014 at 4:06 PM, Taylor Jr, Matthew [U.S. Computer Corp] <Matthew.Taylor at chevron.com> wrote: > Label is OS and I believe there are all booting MBR. Is there a way to clear the memory then continue loading ? or rebooting the machine from the menu. No, the entire LABEL stanza including its LOCALBOOT/COM32/KERNEL and APPEND lines as applicable. -- -Gene A: Because it

Label is OS and I believe there are all booting MBR. Is there a way to clear the memory then continue loading ? or rebooting the machine from the menu. I have tried that reboot.c32 and cannot get it to reboot the machine. Matt -----Original Message----- From: Gene Cumm [mailto:gene.cumm at gmail.com] Sent: Monday, April 28, 2014 1:04 PM To: Taylor Jr, Matthew [U.S. Computer Corp] Cc:

On Mon, Apr 28, 2014 at 3:37 PM, Taylor Jr, Matthew [U.S. Computer Corp] <Matthew.Taylor at chevron.com> wrote: > Hello; > > I use Bitlocker on my machines and I notice that when I am in my PXE Menu and I select "Boot to Local Hard Drive" it continues on then bitlockers. I am assuming that the syslinux is still in memory, bitlocker is being triggered because of the change.

Hello; I use Bitlocker on my machines and I notice that when I am in my PXE Menu and I select "Boot to Local Hard Drive" it continues on then bitlockers. I am assuming that the syslinux is still in memory, bitlocker is being triggered because of the change. I need a solution to overcome this. I cannot remove bitlocker from the machines. Any and all help is appreciated. Matt

On Tue, Apr 29, 2014 at 2:43 PM, Ian Bannerman <ian at internals.io> wrote: > Any deviation from the expected boot process will prevent BitLocker from > accessing the volume key in the TPM. One reason this behavior exists is to > prevent malicious code from being loaded (such as via booting first to CD / > USB / PXE, loading malware, and then continuing to boot to Windows). So

Our site has many Dell OptiPlex 790s, all of which are unable to use the 'localboot' PXELINUX option as they either hang at 'Booting from local disk...' or immediately reboot depending on which SYSLINUX version is used. Many people have suggested using chain.c32 to chain load the local disk as a workaround, but this causes problems with Windows 7 BitLocker as it detects the chain

Hi, I just found this post: http://syslinux.zytor.com/archives/2005-September/005814.html ONTIMEOUT was broken in menu.c32, and you fixed it. But the fix broke support for LABEL references in ONTIMEOUT. I changed my "ONTIMEOUT local" to "ONTIMEOUT .localboot -1" and it works! Anoying is that I tried ONTIMEOUT LOCALBOOT -1 before. This failed, but after having a look at the

Hi, we use PXELINUX in our product to show a boot menu on client computers, with options like "Boot from local hard disk", "Install Windows", etc. Unfortunately, a lot of computers seem to have broken BIOSes and won't boot with the LOCALBOOT command, and need to be booted with chain.c32 instead. We also have encountered some computers where it works only the other way -

On Mon, Oct 26, 2015 at 2:09 PM, Alan Sparks via Syslinux <syslinux at zytor.com> wrote: > I'm still trying fruitlessly to get some sort of local disk boot from > syslinux EFI to work... using the 6.03 modules. Tried various > combinations of configurations on Gene's test binaries. > > For reference this is on different models of HP Proliant Gen-9 systems > with

On Mon, Oct 26, 2015 at 02:03:08PM -0600, Alan Sparks via Syslinux wrote: > On 10/26/2015 1:46 PM, Geert Stappers via Syslinux wrote: > > On Mon, Oct 26, 2015 at 12:09:40PM -0600, Alan Sparks via Syslinux wrote: > >> I'm still trying fruitlessly to get some sort of local disk boot from > >> syslinux EFI to work... using the 6.03 modules. Tried various > >>

Hi, We have been testing the localboot functionality today and it could be useful if localboot was a com32 module rather than a configuration directive so that one can use it on the boot prompt, rather than require a menu entry/alias at all times. A more userfriendly localboot.c32 could do this and allow eg for friendly device-names. localboot next localboot floppy0 localboot hdd0 or

Summary ======= I am having trouble with com32 API call AX=0014h [3.10] Local boot [PXELINUX, ISOLINUX] Input: AX 0014h DX Local boot parameter Output: Does not return My observation is that is returning from the call and is not localbooting the system. Detail ====== I am using a com32 program to configure some hardware before I boot from the local

On 10/26/2015 1:46 PM, Geert Stappers via Syslinux wrote: > On Mon, Oct 26, 2015 at 12:09:40PM -0600, Alan Sparks via Syslinux wrote: >> I'm still trying fruitlessly to get some sort of local disk boot from >> syslinux EFI to work... using the 6.03 modules. Tried various >> combinations of configurations on Gene's test binaries. > > The test binariers Gene

A bug in command localboot was introduced in version 6.03. This bug was created because of inserting memsets in core/localboot.c. The third memset before /* Read one sector */ clears the field ireg.edx, which was assigned earlier and is required for subsequent __intcall0x13. So localboot type works as localboot 0. I think, this third memset in core/localboot.c is useless and excessive.

I'm bringing back an old thread, but I'm still having problem with this: http://etherboot.org/pipermail/gpxe/2010-March/000571.html The summary of that thread is that with gpxelinux.0, on some computers the command LOCALBOOT 0 will hang the computer. Around the same time as the original thread, there was a patch to add localboot -1. Also in the original thread, it was proposed to use

2013/8/6 H. Peter Anvin <hpa at zytor.com> > What about "chain.c32 hd1" or "chain.c32 hd1 swap"? > That's right, but due to our pxe environment we need a static entry which handles both, booting from first and second hdd if one fails. localboot does so. > > Jonas Keidel <jonas at jonas-keidel.de> wrote: > >2013/8/5 Jonas Keidel <jonas at

On Mon, Oct 26, 2015 at 12:09:40PM -0600, Alan Sparks via Syslinux wrote: > I'm still trying fruitlessly to get some sort of local disk boot from > syslinux EFI to work... using the 6.03 modules. Tried various > combinations of configurations on Gene's test binaries. The test binariers Gene provided don't have a localboot module. It is wrong to mix components from different

Can you detail what bug that introduce ? Behavior with the current code and with your change proposal ? That's pretty unclear for me. Thanks ! Le mer. 16 janv. 2019 ? 07:46, Victor Sologoubov via Syslinux <syslinux at zytor.com> a ?crit : > > A bug in command localboot was introduced in version 6.03. > This bug was created because of inserting memsets in core/localboot.c. >