Firewall Windows 2003 Server SP1

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Hallo,

ich habe auf einem Windows 2003 Server (Domain Controller, Fileserver,
Printserver, DNS, DHCP, WINS) SP1 installiert und möchte die mitgelieferte
Firewall als zusätzlichen Schutz nutzen, um den Server durch Angriffe vom
eigenen LAN aus (bspw. durch verseuchte Mitarbeiter-Notebooks) zu schützen.
Nach AKtivierung der Firewall (Standardeinstellungen belassen) wird das
Anmelden am DC und der Zugriff auf Dateien so qäulend langsam, daß er
faktisch unmöglich ist. Wird die Firewall deaktiviert, läuft alles wieder
normal.
=> Wie muß die Firewall konfiguriert werden, damit die Clients normal
arbeiten können?
.

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