* Host s3.amazonaws.com:443 was resolved.
* IPv6: (none)
* IPv4: 16.182.68.184, 16.15.183.38, 52.216.240.30, 52.217.91.14, 52.217.195.8, 16.15.223.124, 16.182.105.128, 16.182.34.232
*   Trying 16.182.68.184:443...
* Connected to s3.amazonaws.com (16.182.68.184) port 443
* ALPN: curl offers http/1.1
} [5 bytes data]
* TLSv1.3 (OUT), TLS handshake, Client hello (1):
} [1566 bytes data]
*  CAfile: /etc/zyxel/cert/cacert.pem
*  CApath: none
{ [5 bytes data]
* TLSv1.3 (IN), TLS handshake, Server hello (2):
{ [1210 bytes data]
* TLSv1.3 (IN), TLS change cipher, Change cipher spec (1):
{ [1 bytes data]
* TLSv1.3 (IN), TLS handshake, Encrypted Extensions (8):
{ [25 bytes data]
* TLSv1.3 (IN), TLS handshake, Certificate (11):
{ [4423 bytes data]
* TLSv1.3 (IN), TLS handshake, CERT verify (15):
{ [264 bytes data]
* TLSv1.3 (IN), TLS handshake, Finished (20):
{ [36 bytes data]
* TLSv1.3 (OUT), TLS change cipher, Change cipher spec (1):
} [1 bytes data]
* TLSv1.3 (OUT), TLS handshake, Finished (20):
} [36 bytes data]
* SSL connection using TLSv1.3 / TLS_AES_128_GCM_SHA256 / X25519MLKEM768 / RSASSA-PSS
* ALPN: server accepted http/1.1
* Server certificate:
*  subject: CN=s3.amazonaws.com
*  start date: Nov 18 00:00:00 2025 GMT
*  expire date: Nov  6 23:59:59 2026 GMT
*  subjectAltName: host "s3.amazonaws.com" matched cert's "s3.amazonaws.com"
*  issuer: C=US; O=Amazon; CN=Amazon RSA 2048 M04
*  SSL certificate verify ok.
*   Certificate level 0: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 1: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
*   Certificate level 2: Public key type RSA (2048/112 Bits/secBits), signed using sha256WithRSAEncryption
* using HTTP/1.x
} [5 bytes data]
> HEAD /firmware.cloud.zyxel.com/AP-image/NWA50BE/LatestVersion HTTP/1.1
> Host: s3.amazonaws.com
> User-Agent: curl/8.9.0
> Accept: */*
> 
* Request completely sent off
{ [5 bytes data]
< HTTP/1.1 200 OK
HTTP/1.1 200 OK
< x-amz-id-2: qEUlVNevhA+Vr/9CqXlM9TXy6SRfakNZDY5C7Km/TGiN1qm3sscLySxN2ARQ0vdi9ckfUHRRnA8=
< x-amz-request-id: X5GV0MV5MNK6A9KR
< Date: Wed, 06 May 2026 04:37:52 GMT
< Last-Modified: Wed, 08 Apr 2026 03:30:04 GMT
< ETag: "02d5e105f8df0cf507358c5d20eea424"
< x-amz-server-side-encryption: AES256
< Accept-Ranges: bytes
< Content-Type: binary/octet-stream
< Content-Length: 121
< Server: AmazonS3
< 
* Connection #0 to host s3.amazonaws.com left intact
x-amz-id-2: qEUlVNevhA+Vr/9CqXlM9TXy6SRfakNZDY5C7Km/TGiN1qm3sscLySxN2ARQ0vdi9ckfUHRRnA8=
x-amz-request-id: X5GV0MV5MNK6A9KR
Date: Wed, 06 May 2026 04:37:52 GMT
Last-Modified: Wed, 08 Apr 2026 03:30:04 GMT
ETag: "02d5e105f8df0cf507358c5d20eea424"
x-amz-server-side-encryption: AES256
Accept-Ranges: bytes
Content-Type: binary/octet-stream
Content-Length: 121
Server: AmazonS3

