Network Port
SMTPS
Port 465
Well-known service: SMTPS
Total Hosts
—
last 90 d
Countries
—
distinct
Top Software
Tengine
from banners
CVE Hits
—
NVD feed pending
Service Detail
Port
465
Protocol
TCP / UDP
Service
SMTPS
IANA Reserved
—
Common Risk
—
Top Software on this Port
| Server / Banner | Hits |
|---|---|
| Tengine | 4,260 |
| nginx/1.22.1 | 2,869 |
| nginx/1.14.2 | 1,146 |
| nginx | 579 |
| nginx/1.18.0 | 186 |
| squid/3.5.20 | 107 |
| nginx/1.18.0 (Ubuntu) | 55 |
| Apache | 54 |
| Microsoft-IIS/10.0 | 39 |
| openresty | 35 |
| ESA | 32 |
| Microsoft-HTTPAPI/2.0 | 27 |
Top Countries
Country distribution pending
GeoIP rollup builds with the next sweep cycle.
Top ASNs
| ASN | Name | IPs |
|---|---|---|
| AS396982 | Google Cloud | 41,322 |
| AS37963 | Alibaba (China) | 12,347 |
| AS12824 | home.pl S.A. | 10,100 |
| AS16276 | OVHcloud | 9,850 |
| AS19551 | Thales/Imperva | 9,219 |
| AS26496 | GoDaddy | 8,225 |
| AS24940 | Hetzner Online | 7,856 |
| AS46606 | Endurance International Group, Inc | 7,000 |
| AS197207 | Mobile Communication Company of Iran | 5,616 |
| AS2514 | NTT PC Communications (InfoSphere) | 4,618 |
| AS13335 | Cloudflare | 4,483 |
| AS1715 | — | 4,464 |
Wappalyzer Tech-Stack on Port 465
| Technology | Hosts |
|---|---|
| Underscore.js | 417 |
| particles.js | 319 |
| jQuery | 32 |
| jQuery Migrate | 11 |
| RequireJS | 8 |
| jQuery UI | 7 |
| Synology DiskStation | 7 |
| Vue.js | 5 |
| ExtJS | 4 |
| jQuery BlockUI | 4 |
| Select2 | 3 |
| Bootbox.js | 3 |
Recently Seen on Port 465
Hosts most recently observed with this port open in our scan sweep.
CVE Matches
Published CVEs matched by exact version to the software banner-advertised on this port. A CVE listing does not confirm any individual host is exploitable.
| CVE | Software | CVSS | Severity | Summary |
|---|---|---|---|---|
| CVE-2016-10002 | squid 3.5.20 | 7.5 | N/A | Incorrect processing of responses to If-None-Modified HTTP conditional requests in Squid HTTP Proxy 3.1.10 through 3.1.23, 3.2.0.3 through 3.5.22, and 4.0.1 thr... |