Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-21 Thread Gert Doering via cisco-nsp
Hi, so, more on this... - on ASR9k, SNMPv3 is subject to regular control plane ACLs, so unless a SNMPv3 sender shows up in control-plane management-plane inband interface all allow all peer address ipv4 1.2.3.4/32 ! allow SNMP peer

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-21 Thread Gert Doering via cisco-nsp
Hi, On Wed, Sep 21, 2022 at 08:14:30AM +0300, Hank Nussbacher wrote: > Indeed the SNMP leaks appear to be exactly CSCtw74132 which we did not > know about nor did Cisco TAC :-( The more I dive into this, the more I want to return to my bed and pull the blanket over my head... So, the Cisco bug

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-20 Thread Hank Nussbacher via cisco-nsp
On 20/09/2022 15:54, Simon Leinen wrote: Gert Doering via cisco-nsp writes: Hi, On Mon, Sep 19, 2022 at 03:47:09PM +0300, Hank Nussbacher via cisco-nsp wrote: On 19/09/2022 15:40, Gert Doering wrote: https://www.cisco.com/c/dam/en/us/support/docs/csa/cisco-sa-20010227-ios-snmp-ilmi.html [..

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-20 Thread Simon Leinen via cisco-nsp
Gert Doering via cisco-nsp writes: > Hi, > On Mon, Sep 19, 2022 at 03:47:09PM +0300, Hank Nussbacher via cisco-nsp wrote: >> On 19/09/2022 15:40, Gert Doering wrote: > https://www.cisco.com/c/dam/en/us/support/docs/csa/cisco-sa-20010227-ios-snmp-ilmi.html > [..] >> > That said, I tried to reproduc

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-19 Thread Gert Doering via cisco-nsp
Hi, On Mon, Sep 19, 2022 at 03:47:09PM +0300, Hank Nussbacher via cisco-nsp wrote: > On 19/09/2022 15:40, Gert Doering wrote: > > On Mon, Sep 19, 2022 at 02:29:06PM +0300, Hank Nussbacher via cisco-nsp > > wrote: > >> Recently Shodan has been showing how it probes all our IOS-XE routers > >> via

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-19 Thread Hank Nussbacher via cisco-nsp
On 19/09/2022 15:40, Gert Doering wrote: HI, On Mon, Sep 19, 2022 at 02:29:06PM +0300, Hank Nussbacher via cisco-nsp wrote: Recently Shodan has been showing how it probes all our IOS-XE routers via SNMP even though we have an ACL on all our SNMP.  We then found that there is a bugid on the issu

Re: [c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-19 Thread Gert Doering via cisco-nsp
HI, On Mon, Sep 19, 2022 at 02:29:06PM +0300, Hank Nussbacher via cisco-nsp wrote: > Recently Shodan has been showing how it probes all our IOS-XE routers > via SNMP even though we have an ACL on all our SNMP.  We then found that > there is a bugid on the issue (ILMI can't be blocked by ACL): >

[c-nsp] How to disable ILMI/SNMP CSCvs33325

2022-09-19 Thread Hank Nussbacher via cisco-nsp
Recently Shodan has been showing how it probes all our IOS-XE routers via SNMP even though we have an ACL on all our SNMP.  We then found that there is a bugid on the issue (ILMI can't be blocked by ACL): CSCvs33325 As well as an internal TAC bugid: CSCdp11863 Basically, none of the commands of