Re: Securing Greenfield Service Provider Clients

2020-10-11 Thread Curtis, Bruce via NANOG
would not stop) https://www.microsoft.com/security/blog/2019/11/26/insights-from-one-year-of-tracking-a-polymorphic-threat/ > > Thank you, > CJ > > > > > Get Outlook for iOS > From: Curtis, Bruce > Sent: Friday, October 9, 2020 5:23:45 PM > To: Christopher

Re: Securing Greenfield Service Provider Clients

2020-10-11 Thread Curtis, Bruce via NANOG
> Simple router ACLS are also good to shutdown back trafffic, take a hint from > Comcast > > https://www.xfinity.com/support/articles/list-of-blocked-ports > > > Regards, > CB > > > > > > Get Outlook for iO > > From: Curtis, Bruce > Sent: Frida

Re: Securing Greenfield Service Provider Clients

2020-10-11 Thread Garrett Skjelstad
If this is really greenfield, consider taking a tenant approach to your egress traffic handling, you mentioned a "black box with subscription", then consider making that blackbox/traffic path be only available to whatever tenant subscribes to the service, and if they want the SSL/MITM decryption, t

Re: Securing Greenfield Service Provider Clients

2020-10-10 Thread Randy Bush
> Is it fair to say that an NGFW *must* decrypt SSL traffic in order to > fully categorize for IPS/IDS prevention? well, not really. aside from damage, it will not 'protect' you against more modern transports, such as quic, which were designed to keep the net open. randy

Re: Securing Greenfield Service Provider Clients

2020-10-10 Thread Ca By
ttps://www.xfinity.com/support/articles/list-of-blocked-ports Regards, CB > > > Get Outlook for iO <https://aka.ms/o0ukef> > -- > > *From:* Curtis, Bruce > *Sent:* Friday, October 9, 2020 5:23:45 PM > *To:* Christopher J. Wolff >

Re: Securing Greenfield Service Provider Clients

2020-10-10 Thread Christopher J. Wolff
prevention? Thank you, CJ Get Outlook for iOS<https://aka.ms/o0ukef> From: Curtis, Bruce Sent: Friday, October 9, 2020 5:23:45 PM To: Christopher J. Wolff Cc: nanog@nanog.org Subject: Re: Securing Greenfield Service Provider Clients EMAIL FROM EXTERNAL SEND

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Billy Crook
On Fri, Oct 9, 2020 at 2:27 PM Christopher J. Wolff wrote: > Without setting up SSL encrypt/decrypt through a MITM setup and handing > certificates out to every client, is there any other software/hardware that > can perform DPI and/or ssl analysis[...]? > No. That was kind of the point of SSL.

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Curtis, Bruce via NANOG
If you search for this phrase During 2020 more than fifty percent of new malware campaigns will use various forms of encryption and obfuscation to conceal delivery, and to conceal ongoing communications, including data exfiltration. you will find lots of vendors of decryption have th

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Baldur Norddahl
Are you really suggesting decrypting customer traffic? In most parts of the world that act falls in one of two categories: it is either required by law or it is illegal. Offer your customers a good virus scanner to install instead. Regards Baldur fre. 9. okt. 2020 21.27 skrev Christopher J. Wo

RE: Securing Greenfield Service Provider Clients

2020-10-09 Thread Kevin Burke
Behalf Of Jared Geiger Sent: Friday, October 9, 2020 3:45 PM To: nanog@nanog.org Subject: Re: Securing Greenfield Service Provider Clients WARNING!! This message originated from an External Source. Please use proper judgment and caution when opening attachments, clicking links, or responding to

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Matthias Luft via NANOG
CJ, On 09.10.20 15:09, Christopher J. Wolff wrote: Dear Nanog; Hope everyone is getting ready for a good weekend.� I�m working on a greenfield service provider network and I�m running into a security challenge.� I hope the great minds here can help. Since the majority of traffic is

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Jared Geiger
DNS filtering might be an easier option to get most of the bad stuff with services like 9.9.9.9 and 1.1.1.2. Paid options like dnsfilter.com will give you better control. Cloudflare Gateway might also be an option. On Fri, Oct 9, 2020 at 12:29 PM Christopher J. Wolff wrote: > Dear Nanog; > > > >

Re: Securing Greenfield Service Provider Clients

2020-10-09 Thread Matt Harris
On Fri, Oct 9, 2020 at 2:27 PM Christopher J. Wolff wrote: > Dear Nanog; > > > > Hope everyone is getting ready for a good weekend. I’m working on a > greenfield service provider network and I’m running into a security > challenge. I hope the great minds here can help. > > > > Since the majorit

Securing Greenfield Service Provider Clients

2020-10-09 Thread Christopher J. Wolff
Dear Nanog; Hope everyone is getting ready for a good weekend. I'm working on a greenfield service provider network and I'm running into a security challenge. I hope the great minds here can help. Since the majority of traffic is SSL/TLS, encrypted malicious content can pass through even an