<div dir="ltr">Hi<div>I've setup a 5210 a few days ago, in the past (since 5206/5208/5209) I could add an iptables rule like:</div><div>





<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">iptables -I INPUT 1 -s <a href="http://5.34.205.0/24">5.34.205.0/24</a> -j DROP</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal">and save it and it would block all traffic from that IP.</p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal"><br></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal">On 5210 it seems to do nothing, maillog still shows:</p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;line-height:normal">





</p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures">Jan 24 15:11:01 ds01 postfix/submission/smtpd[2286356]: warning: unknown[5.34.207.58]: SASL LOGIN authentication failed: authentication failure</span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><br></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small;font-variant-ligatures:normal">Any idea why it doesn't block the IP? I will get the APF package and fail2ban but need also a working iptables if possible.</span><br></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small;font-variant-ligatures:normal">thanks!</span></span></p><p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:11px;line-height:normal;font-family:Menlo;color:rgb(0,0,0)"><span class="gmail-s1" style="font-variant-ligatures:no-common-ligatures"><span style="color:rgb(34,34,34);font-family:Arial,Helvetica,sans-serif;font-size:small;font-variant-ligatures:normal">Janwillem</span></span></p></div></div>