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From: srinivasan s <srinioracledba7@gmail.com>
Date: Tue, 23 Sep 2025 18:17:03 +0530
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 <CAOEeMcUz6ar1wTVBpnOkugycBbta03GvNk4F5VguiDX8TYkOrw@mail.gmail.com>
Subject: Re: Anti virus scanning for Postgres database servers
To: soumen rana <soumenrana.06@gmail.com>
Cc: pgsql-admin@lists.postgresql.org
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Microsoft defender locks the data files in the data directory during the
scans. Which created a problem for us in the past. You need to skip the
data directory from the Microsoft defender scans.

On Tue, 23 Sept, 2025, 2:51=E2=80=AFam soumen rana, <soumenrana.06@gmail.co=
m> wrote:

> Hi Everyone,
>
> The oganization I work for uses some postgres databases installed on Linu=
x
> servers. The security team is planning to initiate Microsoft Defender Ant=
i
> Virus scanning on these servers in an "Active" mode.
>
> This will mean that the Postgres Installation directories and files will
> be scanned by Microsoft Defender and quarantine any threats.
>
> We have requested to exclude the data directories from the Antivirus
> scanning.
> Is anyone aware of any performance,  operational, or data-loss related
> challenges with Anti Virus scanning of Postgres binaries?
>
> Thanking you in advance.
>
> Greetings,
> Soumen Rana
>
>

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<div dir=3D"auto">Microsoft defender locks the data files in the data direc=
tory during the scans. Which created a problem for us in the past. You need=
 to skip the data directory from the Microsoft defender scans.</div><br><di=
v class=3D"gmail_quote gmail_quote_container"><div dir=3D"ltr" class=3D"gma=
il_attr">On Tue, 23 Sept, 2025, 2:51=E2=80=AFam soumen rana, &lt;<a href=3D=
"mailto:soumenrana.06@gmail.com">soumenrana.06@gmail.com</a>&gt; wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-l=
eft:1px #ccc solid;padding-left:1ex"><div dir=3D"auto">Hi Everyone,=C2=A0<d=
iv dir=3D"auto"><br></div><div dir=3D"auto">The oganization I work for uses=
 some postgres databases installed on Linux servers. The security team is p=
lanning to initiate Microsoft Defender Anti Virus scanning on these servers=
 in an &quot;Active&quot; mode.=C2=A0</div><div dir=3D"auto"><br></div><div=
 dir=3D"auto">This will mean that the Postgres Installation directories and=
 files will be scanned by Microsoft Defender and quarantine any threats.</d=
iv><div dir=3D"auto"><br></div><div dir=3D"auto">We have requested to exclu=
de the data directories from the Antivirus scanning.</div><div dir=3D"auto"=
>Is anyone aware of any performance,=C2=A0 operational, or data-loss relate=
d challenges with Anti Virus scanning of Postgres binaries?</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">Thanking you=C2=A0in advance.</div><d=
iv dir=3D"auto"><br></div><div dir=3D"auto">Greetings,</div><div dir=3D"aut=
o">Soumen Rana</div><div dir=3D"auto"><br></div></div>
</blockquote></div>

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