Phpmyadmin postgres2/7/2024 ![]() 05:51:44 CET FATAL: unsupported frontend protocol 65363.19778: serve ![]() User "postgres", database "template0", SSL off User "postgres", database "template0", SSL on Instance open to the outside, I can see entries like these: Still today, because when I’m looking to recent logs of my own The CVE-2013-1899 vulnerability seems tested by uninvited probes Or user reports, it did not result in any campaign remotely comparable That was pretty bad, and a concreteĮxample of why instances shouldn’t be exposed with listen_addresses Vulnerability was announced: it allowed anyone with network access toĪ PostgreSQL instance to compromise it, independently of the passwordsĪnd rules in pg_hba.conf. Of course, database accounts must be protected by strong passwords,Ī pre-requisite is to stay informed on security updates and ready Should change a configuration even though “it works”. Or kept running by people unaware of their exposure, and that they There are always installations out there that are left unmaintained, The leak of 200 million chinese CVs just last month (January 2019). It’s still being exploited currently, with incidents like Simple case when client and server-side are located on the same node.Įven though MongoDB has changed this default configuration a long timeĪgo (in 2014, in fact way before the more dire attacks), Less if the service has been listening only to its local networkĪddress, as postgres does by default, since it’s sufficient in the Role in the attacks, but the scale of the problem would have been much The fact that installations were password-less by default played a big Though strictly speaking it was never a security hole but rather just an This episode has been a real setback for MongoDB’s reputation, even Of deleting or encrypting data, replacing them with a demand for ransom Started to impact a large fraction of these servers. Were accessible from anyone who cared to try, exposing 595 TB of data.Īt the end of 2016, the “Mongo Lock” ransomware Scale of successful attacks against it somewhat illustrate why it’s notĪ great idea. Remote host would connect right away, without requiring anĪdministrator to modify the configuration? PostgreSQL listen_addresses = * by default, so that a Why use these addresses instead of * ? Or more generally: why hasn’t When asking “how to enable remote access to PostgreSQL?”, the typical answer is almost invariably to add some rules in pg_hba.conf and Do not mistakenly open your instance to the Internet! Public connections, or plan to do that in the future, or on theĬontrary, want to make sure that their instances don’t do that. Topic, for people who already manage PostgreSQL instances accepting The purpose of this post is to put together a few thoughts on this IP address in the search field of shodan.io If you have a server on the Internet, you may put its The mail system or popular web applications like Drupal, Wordpress The Internet is that intrusion attempts on the default port 5432 may happenĪnytime, just like it happens for other services such as ssh, One consequence of having an instance listening to connections from Internet, or don’t listen on it if they have one. Traditional, secure one where database servers are at least protectedīy a firewall, or don’t even have a network interface connected to the ![]() Such an open configuration at the network level is opposed to the more Host-based access rules, strong passwords, and database-level grants. On the Internet, without prejudging how they’re protected by Monitors such things, finds currently more than With the rising popularity of the DBaaS (“Database As A Service”) model,ĭatabase servers can be legitimately accessible from the Internet,īut it can also be the result of an unintentional misconfiguration.Īs a data point, shodan.io, a scanner service that Sense that it may listen on a public IP address and a TCP port A PostgreSQL server may be accessible from the Internet, in the
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