Oct 10 05:28:05 canopus postfix/smtpd[4096093]: NOQUEUE: reject: RCPT from unknown[104.28.152.150]: 554 5.7.1 Service unavailable; Client host [104.28.152.150] blocked using zen.spamhaus.org; Listed by PBL, see https://check.spamhaus.org/query/ip/104 ...
show moreOct 10 05:28:05 canopus postfix/smtpd[4096093]: NOQUEUE: reject: RCPT from unknown[104.28.152.150]: 554 5.7.1 Service unavailable; Client host [104.28.152.150] blocked using zen.spamhaus.org; Listed by PBL, see https://check.spamhaus.org/query/ip/104.28.152.150; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<127.0.0.1>
Oct 10 05:28:05 canopus postfix/smtpd[4096093]: NOQUEUE: reject: RCPT from unknown[104.28.152.150]: 554 5.7.1 Service unavailable; Client host [104.28.152.150] blocked using zen.spamhaus.org; Listed by PBL, see https://check.spamhaus.org/query/ip/104.28.152.150; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<127.0.0.1>
Oct 10 05:28:05 canopus postfix/smtpd[4096093]: NOQUEUE: reject: RCPT from unknown[104.28.152.150]: 554 5.7.1 Service unavailable; Client host [104.28.152.150] blocked using zen.spamhaus.org; Listed by PBL, see https://check.spamhaus.org/query/ip/104.28.152.150; from=<[email protected]> to=<janosch_jawa@freenet
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Probing for a WordPress login against a web application, blocked at the host firewall.
Sample requests, with our own hostnames removed:
104.28.152.150 - 2026-09-13 12:44:18 - Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chro ...
show moreProbing for a WordPress login against a web application, blocked at the host firewall.
Sample requests, with our own hostnames removed:
104.28.152.150 - 2026-09-13 12:44:18 - Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/118.0.0.0 Safari/537.36 - - - /wp-login.php
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