Re: [Beowulf] A careful exploit?

2019-06-13 Thread John Hearns via Beowulf
Regarding serial ports - if you have IPMI then of course you have a virtual serial port. I learned something new about serial ports and IPMI Serial Over LAN recently.. First of all you have to use the kernel config option console=ttyy0 console=ttyS1,115200 This is well known. In the bad old d

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Robert G. Brown
On Thu, 13 Jun 2019, Jonathan Engwall wrote: I did not see Robert Brown's reply until J?rg Sa?manshausen quote the entire thing.It's all gone now. I got rid of the netgear router too. My policies are Drop and my rsa keys are specific. It works perfectly when nobody slips in. "Hang a console on i

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Robert G. Brown
On Thu, 13 Jun 2019, J?rg Sa?mannshausen wrote: Dear all, why port 23? Was that a typo and you mean port 22 (ssh)? Uh, Oops? I knew that...;-) rgb All the best J?rg Am Donnerstag, 13. Juni 2019, 11:09:21 BST schrieb Robert G. Brown: On Thu, 13 Jun 2019, Jonathan Engwall wrote: > It

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Jonathan Engwall
I did not see Robert Brown's reply until Jörg Saßmanshausen quote the entire thing. It's all gone now. I got rid of the netgear router too. My policies are Drop and my rsa keys are specific. It works perfectly when nobody slips in. "Hang a console on it" this sound fscinationg. Consoles give me tro

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Jörg Saßmannshausen
Dear all, why port 23? Was that a typo and you mean port 22 (ssh)? All the best Jörg Am Donnerstag, 13. Juni 2019, 11:09:21 BST schrieb Robert G. Brown: > On Thu, 13 Jun 2019, Jonathan Engwall wrote: > > It was an actual machine I could ping but I could not connect. It was > > there > > at star

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Robert G. Brown
On Thu, 13 Jun 2019, Jonathan Engwall wrote: It was an actual machine I could ping but I could not connect. It was there at start up. If it is an actual machine, hang a console on it and see what is happening. If you can ping it, its network is up. But to be able to connect to it, you have t

Re: [Beowulf] A careful exploit?

2019-06-13 Thread Jonathan Engwall
It was an actual machine I could ping but I could not connect. It was there at start up. On Tue, Jun 11, 2019, 9:49 PM Chris Samuel wrote: > On 11/6/19 8:18 pm, Robert G. Brown wrote: > > > * Are these real hosts, each with their own network interface (wired or > > wireless), or are these virtu