Overcoming TCP/IP Connection Limits with PgBouncer and PostgreSQL on Windows

Challenge When running PgBouncer and PostgreSQL on Windows, especially under high-load scenarios with frequent connect/disconnect cycles, you may encounter exhaustion of available TCP ports. This is due to many connections ending up in the TIMEWAIT state, preventing immediate reuse of those ports...

CLSA-2023-1684277794 Fix CVE(s): CVE-2022-1012

Bionic update: upstream stable patchset 2022-09-12 LP: 1989374 // CVE-2022-1012 - tcp: use different parts of the portoffset for index and offset - tcp: add small random increments to the source port - tcp: dynamically allocate the perturb table used by source ports - tcp: increase source port...

CLSA-2023-1684277390 Fix CVE(s): CVE-2022-1012

Bionic update: upstream stable patchset 2022-09-12 LP: 1989374 // CVE-2022-1012 - tcp: use different parts of the portoffset for index and offset - tcp: add small random increments to the source port - tcp: dynamically allocate the perturb table used by source ports - tcp: increase source port...

Denial Of Service (DoS)

github.com/hashicorp/nomad is vulnerable to denial of service. An unauthenticated remote attacker is able to exhausting all ephemeral ports on agents by establishing connection with the server with incomplete TLS handshakes, which would lead to an application crash when system resources have been...

Reliability and scalability improvements in TCP/IP for Windows 8.1 and Windows Server 2012 R2

Reliability and scalability improvements in TCP/IP for Windows 8.1 and Windows Server 2012 R2 Summary This article describes various network and computer issues that occur when TCP ephemeral ports are exhausted in Windows 8.1 or Windows Server 2012 R2. An update is available to fix these issues...

AIX FTP server may not properly timeout ephemeral data ports

Overview The IBM AIX FTP server may be vulnerable to a denial-of-service condition when passive data ports are not closed properly. Description IBM AIX includes an FTP server, ftpd, which allows files to be transferred between hosts with the FTP protocol. This server is vulnerable to a condition...