Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Willy Tarreau
On Tue, Oct 10, 2023 at 10:03:32PM +, Lukas Tribus wrote: > On Tue, 10 Oct 2023 at 20:22, Willy Tarreau wrote: > > > > So at this point I'm still failing to find any case where this attack > > hurts haproxy more than any of the benchmarks we're routinely inflicting > > it, given that it acts e

Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Lukas Tribus
On Tue, 10 Oct 2023 at 20:22, Willy Tarreau wrote: > > So at this point I'm still failing to find any case where this attack > hurts haproxy more than any of the benchmarks we're routinely inflicting > it, given that it acts exactly like a client configured with a short > timeout (e.g. if you conf

Formilux - Pollutec 2023

2023-10-10 Thread Kennedy Webb
Hi I just wanted to know if you're interested in acquiring the email-list of Pollutec 2023 Please let me know your thoughts on this so that I can share you the number of attendees and the cost. Awaiting your reply! Regards, Kennedy Webb - Demand Generation

Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Willy Tarreau
On Tue, Oct 10, 2023 at 07:23:25PM +, Tristan wrote: > Thanks for looking into it, Willy :-) You're welcome. Actually last week I ran some tests *exactly* on this, thinking that it was the same principle as leaving orphaned sockets when you're limited on FDs. That's how I discovered the pool b

Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Tristan
Thanks for looking into it, Willy :-) > On 10 Oct 2023, at 19:24, Willy Tarreau wrote: > […] > But for now if you site requires any of this, I can't see how it has not > experienced weekly outages from standard attacks. Funny that you mention this; bit out of topic but we had enjoyed a relativ

Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Willy Tarreau
On Tue, Oct 10, 2023 at 03:57:09PM +0200, Willy Tarreau wrote: > On Tue, Oct 10, 2023 at 03:49:21PM +0200, Willy Tarreau wrote: > > > Seems like a clever update to the "good old" h2 multiplexing abuse > > > vectors: > > > 1. client opens a lot of H2 streams on a connection > > > 2. Spams some requ

Haproxy Technologies LLC, missing calls from customers?

2023-10-10 Thread Sandrah Watkins
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Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Willy Tarreau
On Tue, Oct 10, 2023 at 03:49:21PM +0200, Willy Tarreau wrote: > > Seems like a clever update to the "good old" h2 multiplexing abuse vectors: > > 1. client opens a lot of H2 streams on a connection > > 2. Spams some requests > > 3. immediately sends h2 RST frames for all of them > > 4. Go back to

Re: Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Willy Tarreau
Hi Tristan, On Tue, Oct 10, 2023 at 12:56:12PM +, Tristan wrote: > Hi all, > > This just got disclosed: > - > https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/ > - > https://cloud.google.com/blog/products/ident

Re: [ANNOUNCE] haproxy-2.9-dev7

2023-10-10 Thread Tristan
On 10/10/2023 14:04, Aleksandar Lazic wrote: ... Well this implies that always a dpapi should run together with HAProxy if you want something like DNS resolving for server or anything else? I don't think Willy meant removing this much; from a previous discussion with him on the topic, it s

GCP: The novel HTTP/2 ‘Rapid Reset’ DDoS attack

2023-10-10 Thread Lukas Tribus
FYI https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack

Re: [ANNOUNCE] haproxy-2.9-dev7

2023-10-10 Thread Aleksandar Lazic
Hi. On 2023-10-10 (Di.) 09:08, Willy Tarreau wrote: Hi Tristan, On Sun, Oct 08, 2023 at 12:15:00PM +, Tristan wrote: Since this was brought up, On 7 Oct 2023, at 14:34, Willy Tarreau wrote: [...] Maybe this will then bring up SPOE to a level where the body of a request can be scanned

Options for mitigating CVE-2023-44487 with HAProxy

2023-10-10 Thread Tristan
Hi all, This just got disclosed: - https://cloud.google.com/blog/products/identity-security/google-cloud-mitigated-largest-ddos-attack-peaking-above-398-million-rps/ - https://cloud.google.com/blog/products/identity-security/how-it-works-the-novel-http2-rapid-reset-ddos-attack Seems like a cl

Formilux - Global Sources Consumer Electronis Show 2023

2023-10-10 Thread Persephone Foster
Hi I just wanted to know if you're interested in acquiring the email-list of Global Sources Consumer Electronis Show 2023 Please let me know your thoughts on this so that I can share you the number of attendees and the cost. Awaiting your reply! Regards, Persephone Foster - Demand Generation

Re: [ANNOUNCE] haproxy-2.9-dev7

2023-10-10 Thread Branitsky, Norman
I use the SPOE for SAML authentication with Okta and Azure AD. I'm still waiting for shared variables so I can restore my active-active configuration with 2 HAPEE servers. Content by Norman. Spelling by iPhone. On Oct 10, 2023, at 03:12, Willy Tarreau wrote: On Sun, Oct 08, 2023 at 02:43:57P

Re: [ANNOUNCE] haproxy-2.9-dev7

2023-10-10 Thread Willy Tarreau
On Sun, Oct 08, 2023 at 02:43:57PM +0200, Aleksandar Lazic wrote: > > On 2023-10-08 (So.) 14:15, Tristan wrote: > > Since this was brought up, > > > > > On 7 Oct 2023, at 14:34, Willy Tarreau wrote: > > > > > > [...] > > > > > > > Maybe this will then bring up SPOE to a level where the body of

Re: [ANNOUNCE] haproxy-2.9-dev7

2023-10-10 Thread Willy Tarreau
Hi Tristan, On Sun, Oct 08, 2023 at 12:15:00PM +, Tristan wrote: > Since this was brought up, > > > On 7 Oct 2023, at 14:34, Willy Tarreau wrote: > > > > [...] > > > >> Maybe this will then bring up SPOE to a level where the body of a request > >> can be scanned and bring it to a full WAF